Terroir — Why Coffee Tastes Different by Origin

Even the same Arabica species can taste completely different depending on where it's grown. Borrowing a term from wine, we call this land-derived set of conditions terroir. For coffee, the main factors arealtitude, soil, climate, processing method, and variety. This guide walks through how each factor shapes flavor, alongside real origin articles as examples.

This page is available in English. Linked articles are in Japanese — 日本語版はこちら.

01

Altitude

Temperature drops as altitude rises, slowing the ripening of coffee cherries. The slower the ripening, the more time sugars and organic acids have to accumulate, which tends to increase bean density and flavor complexity. Higher isn't unconditionally better, though — each variety has its own ideal range. Seehow altitude shapes coffee quality for the full mechanism (Japanese).

High-altitude examples

South America

コロンビア ナリーニョのコーヒー｜標高1,300〜2,300m・原産地呼称の産地

Designation of origin covers 1,300–2,300m

Middle East / Africa

ケニア ニエリのコーヒー｜ケニア山麓の産地とSL28・SL34、カシスのような酸

Kenya's coffee grows at 1,400–2,400m

Middle East / Africa

エチオピア モカ・イルガチェフェ｜コーヒーの味・産地・フローラルな香りの理由

Ethiopia's main coffee highlands: 1,500–2,100m

Central America

グアテマラ ウエウエテナンゴのコーヒー｜標高1,500〜2,000m・ワインのような風味

1,500–2,000m altitude

Low-altitude examples (under 100m)

South America

ガイアナ ポメルーン

10–80m altitude

South America

スリナム コメウィネ川流域

10–30m altitude

02

Soil

Volcanic ash soil is mineral-rich and well-drained, creating a good environment for coffee tree roots. Among non-volcanic soils, an FAO document calls basalt-derived red soil "terra roxa" (see the Paraguay Amambay article). Soil type is thought to be one factor affecting body even when variety and processing are identical.

Central America

グアテマラ アンティグア｜コーヒーの味・火山盆地と8産地の違い

Volcanic ash soil ringed by three volcanoes

South America

パラグアイのコーヒー｜農牧省の2009/10年度統計では生産の8割超がカニンデジュ県

Basalt-derived red "terra roxa" soil

Asia / Oceania

ジャワ イエン高原

Volcanic soil around the Ijen caldera

Middle East / Africa

カナリア諸島 アガエテ渓谷

Young lava soil on a volcanic Atlantic island

03

Climate

Harvest timing differs widely by origin. Kenya has two harvests: Kenya's Agriculture and Food Authority (AFA) lists a late crop in September–December and an early crop in April–July. USDA FAS reports put Ethiopia's main harvest in October–December and Tanzania's in July–October. In Hawaii's Kona district, afternoon cloud cover (the "Kona cloud") is part of the region's character (climate is one of several factors alongside altitude, soil, processing, and variety).

Middle East / Africa

ケニア ニエリのコーヒー｜ケニア山麓の産地とSL28・SL34、カシスのような酸

Kenya: late crop Sep–Dec, early crop Apr–Jul

東アフリカコーヒー産地大全｜エチオピア・ケニア・タンザニア・ルワンダ・ブルンジ比較

Ethiopia's main harvest: Oct–Dec

Middle East / Africa

タンザニア ムベヤ

Tanzania's harvest: Jul–Oct

Asia / Oceania

ハワイ コナのコーヒー｜火山斜面の産地・味と、「コナブレンド」表示の基準

Afternoon cloud cover, the "Kona cloud"

04

Processing

Processing is the step that turns harvested cherries into green beans, and the method tends to influence how much of the fruit's sugar transfers into the bean. Compare methods at our processing method guide andcoffee processing guide (Japanese); newer fermentation-control techniques are covered in anaerobic fermentation: what it is and how it works (Japanese).

Natural

エチオピア グジ

Whole cherries sun-dried with the fruit intact

Washed

ルワンダ フイエ（マラバ）

Pulped, then fermented and washed in tanks

Honey (Red)

コスタリカ タラス｜コーヒーの味・産地・ハニープロセスの特徴

Dried with mucilage left on the parchment

Wet-hulled (Giling Basah)

スラウェシ トラジャのコーヒー｜ウェットハル精製と山岳地帯の産地・味

Hulled while the parchment is still moist

05

Variety

Even from the same origin, variety changes the character of aroma and acidity. See the full picture inthe 3 coffee species and the complete coffee variety guide (Japanese). Here we highlight origin articles where a single variety takes center stage — browse more by variety at Browse by Variety.

Geisha

パナマ ボケテのコーヒー｜ゲイシャで知られるチリキ州の高地の産地と味

Ethiopian origin, reputation established in Panama

Typica lineage

ジャマイカ ブルーマウンテン コーヒー｜味・産地・No.1の基準

A classic variety grown here for 200+ years

SL28

ケニア AA SL28｜ケニアの等級「AA」と品種SL28の味の特徴

Selected in 1935 by Scott Agricultural Laboratories for drought tolerance

Heirloom landrace

エチオピア カッファのコーヒー｜野生アラビカが自生する森と語源説

Genetic diversity surviving in the forest of origin for wild Arabica

Correction (2026-10-14) / 訂正(2026-10-14): In the altitude and climate sections we listed Nariño at "1,800–2,300m", Nyeri at "1,600–2,000m", Yirgacheffe at "1,700–2,200m", Colombia as having "bimodal rainfall, two harvests a year", Sidamo's "harvest Oct–Dec after the Jun–Aug rainy season", Brazil's "May–Sep" dry-season harvest, and Kona's "morning sun alternating with afternoon cloud and rain". These did not match the values our articles and country pages confirm from primary sources, so we replaced them with those values (Nariño's designation of origin, 1,300–2,300m; Kenya's 1,400–2,400m and two harvests per AFA; Ethiopia's 1,500–2,100m highlands and Oct–Dec main harvest; Tanzania's Jul–Oct harvest per USDA FAS; Kona's afternoon "Kona cloud"), swapped the Colombia, Sidamo and Brazil examples for other articles, removed the trader and media sources (Mercanta, Ally Open, Ethio Coffee, StoneX) behind the old statements, and dropped "(over 1,500m)" from the high-altitude heading.

Correction (2026-10-15) / 訂正(2026-10-15): In the soil section we described the Mogiana example as "basalt-derived reddish-purple terra roxa soil", but the linked article does not say this and the page cited only a general encyclopedia entry, so we replaced it with the Paraguay Amambay article, which cites FAO on basalt-derived red "terra roxa" soil. We also rewrote the soil paragraph, which said renowned origins like southeastern Brazil's "terra roxa" are supported by nutrient-rich non-volcanic soil; that link between soil and an origin's reputation is not confirmed, so it now only gives the FAO term.