Please register or login . At least 779 plant species and numerous animals have been identified here. About 150 miles of trails snake through this Wilderness, almost all with trailheads on State Highway 89 which passes near the middle of the park. Open fires and pets are not permitted on the trails. Highway 89 usually closes by late October or early November due to snow.
Snow often brings skiers.
Some park areas may be closed. Spring and fall are most delightful. Winter snows are wondrous. A vehicle entrance fee of five dollars is charged. A free Wilderness permit is required and may be reserved two weeks in advance.