Hills, California , USA Range Simi Hills Coordinates 34°12′0.45″N 118°39′51.7″W ﻿ / ﻿ 34.200125°N 118.664361°W ﻿ / 34.200125; -118.664361 West Hills is bordered by the Chatsworth and Chatsworth Reservoir to the north, Canoga Park to the east, Woodland Hills to the south, Hidden Hills to the southwest, and the Simi Hills