Mariposa (pop. 1,152) is an unincorporated town and the county seat of the county of the same name. The town is a good base from which to visit nearby Yosemite National Park.
The California State Mining and Mineral Museum is located on the Mariposa County Fairgrounds next to Highway 49. It tells the fascinating story of the Gold Rush with an underground mine tunnel and a quartz mill.
Address: California State Mining and Mineral Museum, Box 1192, Mariposa, CA 95338-9435, United States
Phone: 1 (209) 742-7625, Fax: 1 (209) 966-3597
Hours:
May 1 to September 30: 10am-5pm; Closed: Mon, Tue, Wed
October 1 to April 30: 10am-4pm; Closed: Mon, Tue, Wed, Mon, Tue, Wed
Always closed on: Memorial Day - USA (last Monday, May ), Thanksgiving - USA (4th Thursday, November ), Christmas - Christian (December 25)