The Sidama region is known for producing the most coffee at the highest grades in Ethiopia, and the geography explains why this is. This region spreads across fertile highlands, where half of the land is cultivated. The surrounding rivers and lakes along with the very high elevation results in cool weather and fertile soil. These factors, in combination with over 100 inches of rainfall per year, cause the coffee to ripen slower than in any other region in Ethiopia. There are over 50 cooperatives and 200 washing stations throughout Sidama.