Congo-Nile Divide & Volcanic Highlands
Rainfall 1,400–2,120 mmElevation 1,500–2,500 m (to 4,507 m)
Soils: Humic volcanic Nitisols and Andosols
TeaIrish potatoWheatPyrethrumMaize
The coolest, wettest highlands — Rwanda's tea and Irish-potato heartland, too high and wet for coffee.
Where: Northern & western highlands — Musanze, Nyabihu, Burera
Lake Kivu Lakeshore
Rainfall 1,200–1,500 mmElevation 1,200–1,600 m
Soils: Volcanic Andosols and Nitisols
CoffeeBananaBeans
Rwanda's prime specialty-coffee belt, on the fertile volcanic slopes above the lake.
Where: Western lakeshore — Rubavu, Karongi, Nyamasheke
Central Plateau
Rainfall 1,000–1,400 mmElevation 1,400–1,900 m
Soils: Ferralsols and Nitisols, loamy and moderately acidic
CoffeeBananaBeansCassavaSweet potato
The temperate mid-altitude ‘Land of a Thousand Hills’ — the densely farmed agricultural core.
Where: Centre — Huye, Nyanza, Ruhango, Kamonyi
Eastern Plateau & Savanna
Rainfall 700–1,200 mmElevation 944–1,700 m
Soils: Ferralsols and Lixisols; coarse Arenosols in the savanna
MaizeBeansBananaSorghumCassavaRiceSoybean
The warmest, flattest zone with the largest farm blocks — Rwanda's grain basket, but the most drought-prone.
Where: East — Nyagatare, Kirehe, Gatsibo, Bugesera
Imbo / Rusizi Lowlands
Rainfall 900–1,100 mmElevation 944–1,200 m
Soils: Clayey alluvial Vertisols and Fluvisols
Irrigated riceMaizeCassavaBanana
The hottest, driest valley floor — irrigated marshland rice drawing on the Rusizi river.
Where: Far west — Rusizi