 This location lies in Olkaria, in Nakuru County, on the eastern edge of the Eastern Rift Valley, approximately , by road, southwest of Naivasha, the nearest large town.Olkaria is approximately , by road, northwest of Nairobi.Olkaria I Geothermal Power Station is one in a series of six geothermal power stations, clustered in the Olkaria area in Nakuru County.