Mammoth Lakes Basin Area Trails

Inyo National Forest - Wilderness Permits, CA

Duck Pass JM01


ICE and SNOW ALERT- Mountain elevations in this area traditionally have ice and snow until late June or early July.

Permit Availability

Entrance Description

Climbing over Duck Pass to join the John Muir trail, the Duck Pass Trail climbs the forested hillside behind Coldwater Campground and goes past Arrowhead, Skelton, and Barney Lakes before going over Duck Pass. A side trail to Emerald Lake offers an alternate route to Skelton Lake. Common destinations beyond Duck Pass include Duck Lake, with an intense, deep-blue color, and nearby Purple Lake.

Know Before You Go:


Duck Pass Area:

  • No campfires in Coldwater Canyon, Duck Creek or Purple Lake; and no campfires above 10,000 ft. see Maps of Campfire Restrictions.
  • Bear containers are required for storage of food and trash.
  • No camping within 300 ft. of the outlet of Duck Lake or Purple Lake.
  • Emerald Lake trail and the trail to Ram Lake are not recommended for stock.
  • John Muir Wilderness regulations apply.
  • Deadline: Reservation will be canceled unless the permit pick up instructions are completed before the deadline. Instructions are in the confirmation letter.
  • Only the group leader or alternate leader may pick up the permit; the person picking up the permit must be going on the wilderness trip.
  • BE SURE YOUR DATES AND TRAIL ARE CORRECT - The entire group must start on the trail on the entry date listed. Reservations cannot be changed or transferred.

USFS Webpage for: Duck Pass.


A: Available for online reservation (click to book entry date)
L: Accepting Lottery Application (click to apply for the lottery)
W: Available at the Facility
R: Reserved
C: Closed
X: Not available
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