Northern Rockies closed cave list
A working list of caves in the Northern Rockies that are closed, seasonally closed, or require permission to visit. Landowner relations and wildlife protection are how we keep caves open — please respect every entry here.
September 4, 2026. Know something newer? Tell us.
Idaho, Montana, Wyoming, Alberta, British Columbia. The code after each cave is its state and county or region.
Not every closed cave is here. Check with local cavers before a trip, and pass this list along intact.
Closed Closed caves
These caves are considered closed and should be avoided at all times. Please go somewhere else.
Seasonal Seasonal voluntary closures
Voluntarily closed for wildlife or biological reasons during the window shown. Please go somewhere else during it.
Permit Special access caves
Accessible, but only with the right permit, key or landowner permission. Plan ahead — most of these involve paperwork or a phone call.
Special areas
Glacier National Park — a caving permit is required to visit any cave in the park. Permits are free from any Backcountry Office. GNP backcountry info →