Onion Valley Area Trails

Inyo National Forest - Wilderness Permits, CA

George Creek -Mt. Williamson JM33


This trail does not connect to the John Muir Trail.

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

Permit Availability

Entrance Description

Named for Chief George, a Piute leader in the 1800s, George Creek - Mt Williamson is a steep, unmaintained cross-country route that climbs more than 6,000 vertical feet to the area near Mt. Williamson, Trojan Peak, and Mt. Barnard. Access is allowed year-round. Please be respectful of wildlife as you pass through habitat for the endangered Sierra Nevada Bighorn Sheep. Check guidebooks for route descriptions. Trips up Bairs Creek are included in the George Creek - Mt Williamson quota. Be sure to check avalanche conditions before attempting winter ascents.

Know Before You Go:


George Creek Mt Williamson Area:

  • Special approval is required for commercial guide use of this area. Not recommended for stock.
  • No campfires above 10,400 ft elevation
  • Food and refuse must be stored so that animals cannot get into the food or trash.
  • A high clearance 4x4 vehicle is recommended for the approach.
  • This area is near Bighorn Sheep habitat. Access is allowed all year; quota applies May 1 to November 1. Use of pack goats is not advised in order to protect the health of the wild sheep.
  • John Muir Wilderness regulations apply.
  • Sequoia and Kings Canyon wilderness regulations apply if entering the National Park.
  • 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: George Creek - Mt. Williams.


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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