Origins & Geography
Altitude
Also known as: elevation, SHG, SHB
Altitude is the elevation at which coffee is grown, measured in meters above sea level. Higher altitude generally produces denser, more complex, and more acidic coffee. Arabica is typically grown at 800 to 2,000 meters, while Robusta at 0 to 800 meters.
Key Takeaways
- Higher altitudes lead to slower cherry maturation, resulting in higher sugar concentration and bean density.
- Dense beans (SHB) are more physically resilient during roasting and often exhibit more complex flavor profiles.
- Altitude is relative to latitude; coffee grown further from the equator at lower elevations can experience similar temperatures to equatorial high-altitude farms.
- Low-altitude coffee tends to have lower acidity, more body, and earthier or nuttier flavor notes.
Altitude is the elevation at which coffee is grown, measured in meters above sea level. Higher altitude generally produces denser, more complex, and more acidic coffee. Arabica is typically grown at 800 to 2,000 meters, while Robusta at 0 to 800 meters.
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Definition
Altitude is the elevation at which coffee is grown, measured in meters above sea level. Higher altitude generally produces denser, more complex, and more acidic coffee. Arabica is typically grown at 800 to 2,000 meters, while Robusta at 0 to 800 meters.
Why It Matters
Altitude is one of the most important factors in coffee quality. Higher altitude means cooler temperatures, slower cherry maturation, and denser beans with complex flavors.
Frequently Asked Questions
Why does high altitude produce denser coffee beans?
At higher altitudes, cooler temperatures slow down the respiration and growth rate of the coffee cherry. This extended maturation period allows more time for complex sugars to develop and for the cellular structure of the bean to become more compact and dense.
What is the difference between SHB and HG labels?
These are altitude-based grading terms used primarily in Central America. SHB (Strictly Hard Bean) indicates coffee grown above 1,350 meters, while HG (High Grown) refers to coffee grown between 1,200 and 1,350 meters.
How does altitude impact the acidity of the coffee?
High-altitude environments promote the development of organic acids, such as citric, malic, and phosphoric acids. This results in the bright, crisp, and vibrant acidity often found in high-grown Arabica coffees compared to the lower acidity of low-grown varieties.
Does altitude affect how a coffee should be roasted?
Yes. Denser beans grown at high altitudes can withstand higher initial heat applications (charge temperatures) and require more energy to penetrate the compact cellular structure compared to softer, low-altitude beans.
Coffee Origins
Costa Rica
Costa Rican coffee is celebrated for its bright, clean acidity and medium body. Tarrazu coffees display citrus, floral, and stone fruit notes with a crisp...
AsiaLaos
Laotian Arabica from the Bolaven Plateau is known for its balanced profile with medium body, bright acidity, and notes of citrus, chocolate, and caramel....
Central AmericaMexico
Mexican coffee is known for its light-to-medium body, mild-to-bright acidity, and notes of chocolate, nuts, caramel, and citrus. Higher altitude specialty lots from Chiapas and Oaxaca can be complex, sweet, and fruity.
AsiaNepal
Nepali coffee is known for its smooth, balanced profile with medium body, mild acidity, and notes of chocolate, caramel, nuts, and citrus. The high-altitude,...
AfricaSouth Africa
South African coffee is balanced and smooth with medium body, mild acidity, and notes of chocolate, caramel, and nuts. The low elevation limits complexity compared to high-altitude African coffees, but quality is improving.
Coffee Varieties
Arabica Coffee Varieties: Origin, Flavor & Genetics
Arabica is known for its complex, aromatic, and nuanced flavor. It generally has higher acidity, lighter body, and more aromatic complexity than Robusta. Notes range from floral and citrus (highland African) to chocolate and caramel (Central and South American). Sweetness is generally high, with clean, balanced cups being the hallmark of quality Arabica.
RobustaRobusta Coffee: Flavor, Caffeine & Growing Regions
Bold, strong, and earthy. Known for heavy body, low acidity, and notes of dark chocolate, nuts, and grain. Can exhibit earthy, woody, or rubbery notes in lower-quality lots. Fine Robusta (carefully processed) can produce a cleaner, sweeter cup with chocolate and caramel notes.
ArabicaTypica
Clean, sweet, and delicate. Known for floral aromatics, bright citric acidity, and a silky, tea-like body. Typically exhibits notes of citrus, jasmine, honey, and stone fruit. Among the most complex and elegant cup profiles of all Arabica varieties.
Processing Methods
Coffee Organizations
Related Concepts
Berry Coffee Flavor Profile
Berry flavor profiles arise from beta-damascenone, aliphatic esters, and ethyl butyrate synthesized during fruit fermentation. Explore berry coffee science.
Sensory & TastingCaramel Coffee Flavor Profile
Caramel notes result from sucrose pyrolysis between 160°C and 200°C during roasting. Learn the chemistry of caramelization and caramel coffee sweetness.
Sensory & TastingCitrus Coffee Flavor Profile
Citrus profiles combine high citric acid concentrations with volatile terpenes like limonene and citral. Discover the chemical dynamics of citrus coffee profiles.
Origins & GeographyCoffea Arabica: The Specialty Coffee Species Explained
Arabica coffee (Coffea arabica) is a species of coffee plant native to the highland forests of Ethiopia and South Sudan. It is the most widely cultivated coffee species worldwide, accounting for approximately 60 to 70 percent of global coffee production. Arabica is prized for its complex flavor, refined acidity, and aromatic diversity, producing notes ranging from floral and citrus to chocolate and caramel depending on origin, variety, and processing.
Origins & GeographyCoffea Robusta: The Hard-Body Coffee Species Explained
Robusta coffee (Coffea canephora) is the second most cultivated coffee species after Arabica, accounting for approximately 30 to 40 percent of global coffee production. Native to sub-Saharan Africa, Robusta is hardier, more disease resistant, and grows at lower elevations than Arabica. It contains roughly twice the caffeine of Arabica and produces a heavier body, lower acidity, and more bitter cup profile.
Sensory & TastingCoffee Acidity Guide
Acidity in coffee is governed by chlorogenic, citric, malic, and phosphoric acids. Discover the chemical drivers, origin altitude influences, and sensory evaluation of acidity.
Sensory & TastingCoffee Bitterness Causes
Bitterness in coffee is driven by phenylindanes, chlorogenic acid lactones, and caffeine. Analyze the chemistry of bitterness and how to manage it in roasting and brewing.
Sensory & TastingCoffee Body Explained
Coffee body (mouthfeel) is dictated by total dissolved solids, lipids, and insoluble suspended particles. Understand the physics of tactile body in coffee.
Origins & GeographyCoffee Cherry
The coffee cherry is the fruit of the coffee plant, a small round drupe that ripens from green to red (or sometimes yellow or orange) when ready for harvest. Each cherry typically contains two coffee seeds (beans) arranged face to face, though occasional single-seed cherries produce what are known as peaberries. The cherry consists of skin (exocarp), pulp (mesocarp), mucilage, parchment (endocarp), silver skin, and the seed itself.
Sensory & TastingCoffee Sweetness Profiles
Sweetness in coffee stems from green sucrose preservation, caramel oligosaccharides, and volatile aromatic furans. Discover how coffee sweetness develops.
Origins & GeographyEthiopian Coffee: The Birthplace of Arabica Coffee
Ethiopia is widely considered the birthplace of coffee, where the Coffea arabica plant originated in the highland forests of the southwest. Ethiopia remains one of the world's top coffee producers, known for extraordinary genetic diversity, distinctive regional cup profiles, and processing traditions that date back centuries. Regions like Yirgacheffe, Sidamo, Guji, and Harrar produce some of the most sought-after specialty coffees in the world, prized for their floral, citrus, and tea-like characteristics.
RoastingFirst Crack
First crack is an audible popping sound that occurs during coffee roasting, typically between 196 and 205 degrees Celsius (385 to 401 degrees Fahrenheit). It marks the transition from the drying phase to the development phase of roasting. During first crack, moisture trapped inside the bean rapidly expands and fractures the bean structure, releasing steam and causing an audible pop similar to popcorn.
Sensory & TastingFloral Coffee Flavor Profile
Floral coffee notes are created by delicate monoterpenes like linalool, geraniol, and beta-damascenone. Learn the science and origin connections of floral coffee.
Origins & GeographyHarvest Season
The coffee harvest season represents the culmination of a biological cycle beginning with anthesis (flowering), triggered by significant rainfall following a period of dormancy. For Coffea arabica , the duration from blossom to physiological maturity typically spans seven to nine months, while Coffea canephora (Robusta) requires nine to eleven months. Geographically, harvest cycles are dictated by the movement of the Intertropical Convergence Zone (ITCZ), which influences precipitation patterns. In Northern Hemisphere regions such as Ethiopia, Guatemala, and Vietnam, the primary harvest occurs between October and March. Southern Hemisphere producers, notably Brazil and Peru, harvest from May to September. Equatorial regions, including Colombia and Kenya, often experience two distinct flowering periods, resulting in a primary harvest (main crop) and a secondary harvest known as the 'fly crop' or mitaca in Colombia. Harvest Methods and Ripeness Precision during this period is vital; harvesting under-ripe (green) or over-ripe (black/raisin) cherries introduces chemical defects. Selective hand-picking, common in specialty production, involves workers manually selecting only cherries with a Brix sugar concentration typically ranging from 18% to 25%. Conversely, strip picking and mechanical harvesting—prevalent in the flat Cerrado regions of Brazil—collect all cherries simultaneously, requiring post-harvest electronic color sorting to remove defects. The following table compares primary harvesting methods: Method Labor Intensity Ripeness Uniformity Common Origins Selective Picking High (3-5 passes) Superior Ethiopia, Colombia, Central America Strip Picking Moderate Low (requires sorting) Brazil, Vietnam Mechanical Harvesting Low Low (requires sorting) Brazil (Cerrado), Australia
Sensory & TastingNutty Coffee Flavor Profile
Nutty flavor profiles stem from pyrazine compounds (2-ethyl-3,5-dimethylpyrazine) and pyrroles formed during early Maillard roasting. Understand nutty coffee science.
Varietals & CultivarsPacamara Coffee Variety
Pacamara is an El Salvadoran cross between Pacas and Maragogype known for its large bean size and extraordinary complex, savory-sweet cup profile.
Varietals & CultivarsSan Ramon Coffee Variety
San Ramon is a dwarf mutation of Typica discovered in Costa Rica that resists wind damage and produces a clean, sweet cup.
RoastingSecond Crack
Second crack is a softer, faster, and less audible cracking sound that occurs during coffee roasting at approximately 224 to 232 degrees Celsius (435 to 450 degrees Fahrenheit). It occurs after first crack and signals the transition from medium to dark roast. During second crack, the cell structure of the bean begins to fracture as oils migrate to the surface, producing a darker, oilier, and more bitter cup.
Varietals & CultivarsSl28 Coffee Variety
SL28 is the legendary Kenyan arabica selection from Ruiru, bred by Scott Laboratories for drought resistance and cup quality. It produces the archetypal Kenyan cup: explosive blackcurrant, citrus brightness, and a wine-like complexity that makes it the benchmark for specialty coffee worldwide.
Varietals & CultivarsSl34 Coffee Variety
SL34 is a Kenyan selection from Kabete, often confused with SL28 but descended from a different Bourbon lineage. It thrives at slightly lower altitudes and produces a fuller-bodied cup than SL28, with the same signature Kenyan blackcurrant acidity but a heavier, more syrupy mouthfeel.
Sensory & TastingSpice Notes In Coffee
Spice notes in coffee stem from phenylpropanoids, eugenol, and 4-vinylguaiacol compounds. Discover the chemistry and origins of spicy coffee profiles.
Sensory & TastingStone Fruit Coffee Flavor Profile
Stone fruit profiles combine malic acid tartness, sucrose, and gamma-lactones to evoke peach, apricot, and plum notes. Discover stone fruit coffee chemistry.
Varietals & CultivarsSudan Rume Coffee Variety
Sudan Rume is a wild arabica from the Boma Plateau in South Sudan, prized by competition baristas for its explosive tropical fruit and floral aromatics. Nearly extinct in cultivation, it survives in research plots and elite farm lots.
Varietals & CultivarsTabi Coffee Variety
Tabi is a Colombian cross of Typica, Bourbon, and Hibrido de Timor bred by Cenicafé for disease resistance without sacrificing cup quality. It delivers the clean sweetness of its Bourbon parentage with the resilience coffee farmers need at high altitudes.
Origins & GeographyTerroir
Terroir is the set of environmental factors that give coffee its unique character, including soil composition, altitude, climate, rainfall, microclimate, and topography. Borrowed from winemaking, the concept of terroir explains why coffees from different regions taste distinctly different.
Varietals & CultivarsTypica Coffee Variety
Typica is the foundational arabica variety from which nearly all cultivated coffee descends. Originating in Ethiopia and Yemen, then carried to Java and the Americas, its tall trees and elongated cherries produce a clean, sweet, delicately floral cup that defined specialty coffee's earliest standards.
Varietals & CultivarsVenecia Coffee Variety
Venecia is a compact Costa Rican variety bred by ICAFE from Sudan Rume and T5295 lines. Its small stature allows dense planting, and its clean, sweet cup profile makes it a quietly reliable performer in Central American specialty coffee.
Varietals & CultivarsVilla Sarchi Coffee Variety
Villa Sarchi is a natural dwarf mutation of Bourbon discovered in Alajuela, Costa Rica. Its compact size suits high-density planting, and its cup retains classic Bourbon character: bright acidity, sweet caramel notes, and a clean finish.
Sensory & TastingWiney Coffee Flavor Profile
Winey flavor profiles are shaped by acetic acid, tartaric acid, ethyl acetate, and wild yeast fermentations. Explore the chemical complexity of winey coffee.
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Coffea Arabica: The Specialty Coffee Species Explained
Arabica coffee (Coffea arabica) is a species of coffee plant native to the highland forests of Ethiopia and South Sudan. It is the most widely cultivated coffee species worldwide, accounting for approximately 60 to 70 percent of global coffee production. Arabica is prized for its complex flavor, refined acidity, and aromatic diversity, producing notes ranging from floral and citrus to chocolate and caramel depending on origin, variety, and processing.
Origins & GeographyCoffea Robusta: The Hard-Body Coffee Species Explained
Robusta coffee (Coffea canephora) is the second most cultivated coffee species after Arabica, accounting for approximately 30 to 40 percent of global coffee production. Native to sub-Saharan Africa, Robusta is hardier, more disease resistant, and grows at lower elevations than Arabica. It contains roughly twice the caffeine of Arabica and produces a heavier body, lower acidity, and more bitter cup profile.
Origins & GeographyCoffee Cherry
The coffee cherry is the fruit of the coffee plant, a small round drupe that ripens from green to red (or sometimes yellow or orange) when ready for harvest. Each cherry typically contains two coffee seeds (beans) arranged face to face, though occasional single-seed cherries produce what are known as peaberries. The cherry consists of skin (exocarp), pulp (mesocarp), mucilage, parchment (endocarp), silver skin, and the seed itself.
Origins & GeographyEthiopian Coffee: The Birthplace of Arabica Coffee
Ethiopia is widely considered the birthplace of coffee, where the Coffea arabica plant originated in the highland forests of the southwest. Ethiopia remains one of the world's top coffee producers, known for extraordinary genetic diversity, distinctive regional cup profiles, and processing traditions that date back centuries. Regions like Yirgacheffe, Sidamo, Guji, and Harrar produce some of the most sought-after specialty coffees in the world, prized for their floral, citrus, and tea-like characteristics.
Origins & GeographyHarvest Season
<p>The coffee harvest season represents the culmination of a biological cycle beginning with anthesis (flowering), triggered by significant rainfall following a period of dormancy. For <i>Coffea arabica</i>, the duration from blossom to physiological maturity typically spans seven to nine months, while <i>Coffea canephora</i> (Robusta) requires nine to eleven months. Geographically, harvest cycles are dictated by the movement of the Intertropical Convergence Zone (ITCZ), which influences precipitation patterns. In Northern Hemisphere regions such as Ethiopia, Guatemala, and Vietnam, the primary harvest occurs between October and March. Southern Hemisphere producers, notably Brazil and Peru, harvest from May to September. Equatorial regions, including Colombia and Kenya, often experience two distinct flowering periods, resulting in a primary harvest (main crop) and a secondary harvest known as the 'fly crop' or <i>mitaca</i> in Colombia.</p><h3>Harvest Methods and Ripeness</h3><p>Precision during this period is vital; harvesting under-ripe (green) or over-ripe (black/raisin) cherries introduces chemical defects. Selective hand-picking, common in specialty production, involves workers manually selecting only cherries with a Brix sugar concentration typically ranging from 18% to 25%. Conversely, strip picking and mechanical harvesting—prevalent in the flat Cerrado regions of Brazil—collect all cherries simultaneously, requiring post-harvest electronic color sorting to remove defects. The following table compares primary harvesting methods:</p><table><thead><tr><th>Method</th><th>Labor Intensity</th><th>Ripeness Uniformity</th><th>Common Origins</th></tr></thead><tbody><tr><td>Selective Picking</td><td>High (3-5 passes)</td><td>Superior</td><td>Ethiopia, Colombia, Central America</td></tr><tr><td>Strip Picking</td><td>Moderate</td><td>Low (requires sorting)</td><td>Brazil, Vietnam</td></tr><tr><td>Mechanical Harvesting</td><td>Low</td><td>Low (requires sorting)</td><td>Brazil (Cerrado), Australia</td></tr></tbody></table>
Origins & GeographyTerroir
Terroir is the set of environmental factors that give coffee its unique character, including soil composition, altitude, climate, rainfall, microclimate, and topography. Borrowed from winemaking, the concept of terroir explains why coffees from different regions taste distinctly different.
Parent Topics & Topic Hubs
Related Sub-Topics
Arabica Vs Robusta
Coffea Arabica and Coffea Canephora (Robusta) are the two dominant botanical species of coffee cultivated globally. Arabica is a tetraploid species with 44 chromosomes grown at high altitudes, producing nuanced sugars, delicate fruit acids, and low caffeine. Robusta is a diploid species with 22 chromosomes that contains nearly double the caffeine, double the chlorogenic acids, and exceptional espresso crema density.
Varietals & CultivarsBatian Coffee Variety
Batian is a modern Kenyan release from the Coffee Research Institute, bred for disease resistance while preserving the cup quality of SL28 and SL34. Named after Mount Kenya's peak, it delivers bright acidity and blackcurrant notes at altitudes above 1,700 meters.
Sensory & TastingBerry Coffee Flavor Profile
Berry flavor profiles arise from beta-damascenone, aliphatic esters, and ethyl butyrate synthesized during fruit fermentation. Explore berry coffee science.
Varietals & CultivarsBlue Mountain Coffee Variety
Blue Mountain is Jamaica's iconic coffee variety, grown under strict geographical indication in the Blue Mountains above 900 meters. Its mild, sweet, perfectly balanced cup with almost no bitterness makes it one of the world's most sought-after and expensive coffees.
Varietals & CultivarsBourbon Coffee Variety
Bourbon is one of the two foundational arabica varieties, named after Réunion Island (formerly Île Bourbon). It produces higher yields and a sweeter, more complex cup than Typica, with distinctive notes of chocolate, caramel, and red fruit that set the standard for specialty coffee quality.
Sensory & TastingCaramel Coffee Flavor Profile
Caramel notes result from sucrose pyrolysis between 160°C and 200°C during roasting. Learn the chemistry of caramelization and caramel coffee sweetness.
Continue Through the Encyclopedia
View the Origins & Geography category hub →Book References
- Chapter 2: Coffee Origins
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Editorial Standards & Trust
Keith E. Lyons
Author, Researcher & Coffee Educator
Keith E. Lyons is the author of The Complete World of Coffee and the publisher behind Lyons Den Publishing. A licensed trauma therapist turned specialty coffee writer, Keith blends scientific rigor with genuine passion for the craft of coffee.
Last Reviewed
August 10, 2026
Sources & References
(2)Claims are cited to verifiable sources. Peer-reviewed research is marked.
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Our editorial process prioritizes accuracy, scientific rigor, and practical relevance for coffee enthusiasts and professionals alike.
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Coffee Cherry
The coffee cherry is the fruit of the coffee plant, a small round drupe that ripens from green to red (or sometimes yellow or orange) when ready for harvest. Each cherry typically contains two coffee seeds (beans) arranged face to face, though occasional single-seed cherries produce what are known as peaberries. The cherry consists of skin (exocarp), pulp (mesocarp), mucilage, parchment (endocarp), silver skin, and the seed itself.
Specialty Coffee
The classification process necessitates precise environment control. During the grading phase, the coffee is roasted within 24 hours of cupping and allowed to rest for at least eight hours. The roast level must fall within the light to medium range, specifically between 55 and 65 on the Agtron scale. Cupping involves a standard ratio of 8.25 grams of coffee per 150 milliliters of water, with water temperatures maintained between 92.2°C and 94.4°C (198°F to 202°F). This protocol ensures that the inherent characteristics of the bean—such as the phosphoric acidity typical of Kenyan origins or the stone fruit notes of Colombian Caturra—are evaluated without the interference of roast-induced flavors.
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Coffee Cherry
The coffee cherry is the fruit of the coffee plant, a small round drupe that ripens from green to red (or sometimes yellow or orange) when ready for harvest. Each cherry typically contains two coffee seeds (beans) arranged face to face, though occasional single-seed cherries produce what are known as peaberries. The cherry consists of skin (exocarp), pulp (mesocarp), mucilage, parchment (endocarp), silver skin, and the seed itself.
Terroir
Terroir is the set of environmental factors that give coffee its unique character, including soil composition, altitude, climate, rainfall, microclimate, and topography. Borrowed from winemaking, the concept of terroir explains why coffees from different regions taste distinctly different.
Ethiopian Coffee: The Birthplace of Arabica Coffee
Ethiopia is widely considered the birthplace of coffee, where the Coffea arabica plant originated in the highland forests of the southwest. Ethiopia remains one of the world's top coffee producers, known for extraordinary genetic diversity, distinctive regional cup profiles, and processing traditions that date back centuries. Regions like Yirgacheffe, Sidamo, Guji, and Harrar produce some of the most sought-after specialty coffees in the world, prized for their floral, citrus, and tea-like characteristics.
Coffea Arabica: The Specialty Coffee Species Explained
Arabica coffee (Coffea arabica) is a species of coffee plant native to the highland forests of Ethiopia and South Sudan. It is the most widely cultivated coffee species worldwide, accounting for approximately 60 to 70 percent of global coffee production. Arabica is prized for its complex flavor, refined acidity, and aromatic diversity, producing notes ranging from floral and citrus to chocolate and caramel depending on origin, variety, and processing.
Recommended Encyclopedia Entries
Reference definitions that complement this page.
Coffee Cherry
The coffee cherry is the fruit of the coffee plant, a small round drupe that ripens from green to red (or sometimes yellow or orange) when ready for harvest. Each cherry typically contains two coffee seeds (beans) arranged face to face, though occasional single-seed cherries produce what are known as peaberries. The cherry consists of skin (exocarp), pulp (mesocarp), mucilage, parchment (endocarp), silver skin, and the seed itself.
Specialty Coffee
The classification process necessitates precise environment control. During the grading phase, the coffee is roasted within 24 hours of cupping and allowed to rest for at least eight hours. The roast level must fall within the light to medium range, specifically between 55 and 65 on the Agtron scale. Cupping involves a standard ratio of 8.25 grams of coffee per 150 milliliters of water, with water temperatures maintained between 92.2°C and 94.4°C (198°F to 202°F). This protocol ensures that the inherent characteristics of the bean—such as the phosphoric acidity typical of Kenyan origins or the stone fruit notes of Colombian Caturra—are evaluated without the interference of roast-induced flavors.
Balance
Balance in coffee is the harmonious integration of all flavor attributes (acidity, body, sweetness, bitterness, aroma) so that no single attribute dominates. Balance is a key scoring category on the SCA cupping form.
Terroir
Terroir is the set of environmental factors that give coffee its unique character, including soil composition, altitude, climate, rainfall, microclimate, and topography. Borrowed from winemaking, the concept of terroir explains why coffees from different regions taste distinctly different.