Discovered by gold miner Walter J. Mercer on a hot summer day in 1885, in the Mercer Caverns you will see at very close range, a huge variety of beautiful and unusual natural crystalline formations of all shapes, sizes, and textures. It is a magnificent subterranean wonderland and has a temperature of 55 degrees year-round, plus well-lighted and excellent walkways. All tours are guided and last approximately 45 minutes.
Located at 1665 Sheep Ranch Rd., one mile north of the village of Murphys.
Sheep Ranch Rd., PO Box 509
Murphys, CA 95247
Summer hours (Memorial Day Weekend to Labor Day):
Sunday through Thursday, 9 a.m.; last tour, 5 p.m.
Friday and Saturday, 9 a.m.; last tour, 6 p.m.
Winter hours (Labor Day to Memorial Day):
Every day, 10 a.m.; last tour, 4:30 p.m.