Longley Lake
Itinerary
Upper Buttermilk Trailhead
2.3 mi • 1,600 ft gain
Longley Lake
2.3 mi • 0 ft gain
Upper Buttermilk Trailhead
How to get a permit
This trip requires a Inyo National Forest Wilderness Permit. Reservations depend on your start date:
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Nov 2, 2024 – Apr 30, 2025
Unlimited number of permits available.1 option
A
Online reservations
| Opens | 2 weeks ahead | 7 AM PT |
|---|---|---|
| Closes | Day of | 11:59 PM PT |
Last-minute release: 2 weeks ahead at 7 AM PT
Permit details
Here is how to fill out the Inyo National Forest Wilderness Permit application:
| Permit Type | Overnight |
|---|---|
| Entry Point | Upper Buttermilk |
| Exit Point | Upper Buttermilk |
| 1st night Camp Area | Longley Reservoir (Upper Buttermilk) |