Trail map
Open
No spots left? Get notified when we find cancellations.
No spots left? Get notified when we find cancellations.

Mammoth Crest Loop

Backpacking2 days12.6 mi (round-trip)

Itinerary

Duck Lake Pass Trailhead
5.4 mi • 2,100 ft gain
Deer Lakes
7.3 mi • 900 ft gain
Duck Lake Pass Trailhead
Driving directions
Trail map
Open

How to get a permit

This trip requires a Inyo National Forest Wilderness Permit. Reservations depend on your start date:

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr

Trips starting between May 1 and November 1

Permits required. Quota in effect.

Online reservations

Closes day of
Book
Get notified when we find cancellations
2 releases
6 months ahead at 7 AM PT Passed
2 weeks ahead at 7 AM PDT

Permit details

Here is how to fill out the Inyo National Forest Wilderness Permit application:

Permit TypeOvernight
Entry PointDeer Lakes
Exit PointDeer Lakes
1st night Camp AreaDeer Lakes

Select a start date

Embed on your site