Crawl, squeeze and raft through a mile of California cavern passages
3–4 hrs
Caving gear, shower facilities
Cancel at least 72 hours before departure for a full refund. Cancellations less than 72 hours before departure receive a 75% refund. No-shows are charged the full price. Full refund if the operator cancels due to weather or other unforeseen circumstances.
Wear warm, long-sleeved, rugged, loose-fitting clothing and high-top boots that tie securely. Cave clay may permanently stain clothing. Bring a complete change of clothes and shoes, shower toiletries, and a plastic bag for muddy items.
No food is allowed in the cavern, and there are no restrooms inside. Eat a good breakfast, avoid excessive liquids and problem foods, and bring something to eat after the expedition if desired.
The expedition is primarily available in summer and fall. Winter and spring availability depends on water levels.
Discover crystalline formations and cavern history on a guided underground walk
Crawl through eight chambers to the Jungle Room, with optional tight squeezes
Explore California's largest public vertical cavern chamber
Spend a full day sluicing and panning for gold on the creek
Spend 3 hours sluicing and panning with boots and gear provided
Spend 2 hours sluicing and panning with boots and gear provided