- Catalogue altitude
- 1,300–1,900 m · 12 of 20 catalogue coffees report altitude. This sample does not establish the full growing range.
- Climate
- rainfall 640-1495 mm/year depending on altitude; mean temperature 21°C, coldest in July (min 12°C), hottest in March (max 31°C)
- Terrain
- county slopes from the north-west toward the east and south-east, with a few isolated hills rising above the general slope
- Soil
- prime fertile highland land (no specific soil type given)
- Varieties
- SL28 · SL34 · Ruiru 11 · Batian
- Base process
- Washed
upper part of the county grows coffee and tea as cash crops; lower part grows muguka (khat)