From Wikipedia, the free encyclopedia. For other places with the same name, see Cohasset (disambiguation) . Cohasset (formerly, Keefers Ridge and North Point) is a census-designated place in Butte County, California, United States, approximately 17.7 miles (28.5 km) NNE of Chico, California. Its main street is named Cohasset Road, which comes from the Algonquian Indian language and means long rocky place.