About this place
A natural lava tube forming an archway through a cliff band on Mammoth Mountain's southeast side, above Lower Twin Lake. Best known as a double-black-diamond backcountry ski descent reached from the resort's back side — real avalanche terrain, no san
State
California
More details
Cave details
Access
Open access
Fee
Free
Nearby (≈ 5 miles)
Quick hits within ~8 km.
MAM MT, BOTTEMLESS PIT, ETC TH trailhead • 0.4 km TWIN LAKES CAMPGROUND campground • 0.6 km PANORAMA DOME TH trailhead • 0.6 km Twin Falls feature • 0.9 km RED CONES TH trailhead • 1.1 km MAMMOTH PASS TH trailhead • 1.1 km LAKE MARY CAMPGROUND campground • 1.4 km MAMMOTH ROCK TH trailhead • 1.6 km DEER LAKE TH trailhead • 1.8 km TJ LAKE TH trailhead • 2.4 km