Horses are permitted only for access into mountainous areas south of Red Rock Pass Road. Feed must be weed-free. Be prepared for cool summer temperatures, frigid winters, and sudden rain or snow storms during any season. Hazardous bogs and sinkholes are found throughout the Refuge. Caution is advised when traveling through wet areas.
Mosquitoes are abundant from early spring through late summer.
Gasoline is not available locally but can be purchased in West Yellowstone, or Lima, Montana. Camping Camping is permitted, free of charge, for a maximum of 14 consecutive days at the Upper Lake and River Marsh campgrounds. Camping is not permitted outside established campgrounds. Fires are permitted only in campground grates. Chain saws are prohibited.