About
Trans Nzoia County lies on the western side of Mount Elgon in the former Rift Valley province, some 380 km north west of Nairobi.
The county borders Bungoma to the west, Uasin Gishu and Kakamega to the south, Elgeyo Marakwet to the east, West Pokot to the north and the republic of Uganda to North West. Trans Nzoia covers an area of 2495.5 square kilometres.