Boyden Cavern Adventures & Tours, Grant Grove

About Boyden Cavern Adventures & Tours

Boyden Cavern Adventures & Tours LLC operates guided tours through a marble cavern located within Sequoia National Forest near Grant Grove. Visitors explore formations including stalactites, stalagmites, flowstone, pendants, and shields during guided walking tours lasting 45 to 60 minutes round trip. The journey to the cave involves a short but steep hike featuring panoramic views of Kings Canyon's dramatic terrain. The cavern also offers Private Extended Walking Tours, lasting approximately 65 to 75 minutes, available most days during the season. These extended tours accommodate groups booking the cavern exclusively and suit visitors seeking extra time for photography, those preferring not to join large group tours, and families with children wanting to ask detailed questions. The operation also offers specialty workshops including yoga hikes and instructor training programs. Boyden Cavern Adventures & Tours LLC operates in Grant Grove, California, under a special use permit from the U.S. Forest Service.