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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Boulder Lake

Passes Sonora Peak
Inside Stanislaus National Forest
11,649 ft of climbing

23.6 mi out & back · 11,649 ft gain · 11,294 ft high point · Very hard

From Sonora Pass Trailhead via PCT - California Section J, Pct: Stanislaus, and Pct: Sonora Pass - Carson Pass (8.9 mi)

In Stanislaus National Forest · California · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Boulder Lake is a 23.6-mile round trip from Sonora Pass Trailhead in Stanislaus National Forest via the Pacific Crest Trail, climbing 11,649 feet to 11,294 feet high.

Elevation

11,649 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

4.5 mi from the trailhead
Leavitt Meadows
Campground
6.2 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

17 mi from you
Peeler Lake Trail
- Passes Peeler Lake
- Inside Yosemite National Park
- 3,311 ft of climbing
15.1 mi out & back · 3,311 ft gain · Very hard
Yosemite National Park · Camp 3 mi away

Out: 3,810 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Sonora PeakAlong the way · 2.6 mi in
Sonora PassNearby · 0.0 mi in

Map

The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 23.6 mi
Shape: Out & back
Gain: 11,649 ft round trip
High point: 11,294 ft
Low point: 6,932 ft
Difficulty: Very hardFrom 23.6 mi and 11,649 ft of climbing, with steep sections
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 17
Start: Sonora Pass Trailhead
Trailhead: 38.3298° N · 119.6359° W

Get directions Open the map

Deadman Campground

Campground

6.4 mi from the trailhead

Baker Campground

Campground

25 mi from you

Virginia Pass

Ends at Virginia Pass
Inside Yosemite National Park
4,749 ft of climbing

15.3 mi out & back · 4,749 ft gain · Very hard

Yosemite National Park · Camp under a mile away

Boundary Lake Trail

Passes Lookout Point
Inside Stanislaus National Forest
3,437 ft of climbing

19.7 mi out & back · 3,437 ft gain · Very hard

Stanislaus National Forest · Camp 3 mi away

Mule Pass

Ends at Mule Pass
Inside Yosemite National Park
4,206 ft of climbing

17.4 mi out & back · 4,206 ft gain · Very hard

Yosemite National Park · Camp 3 mi away

Robinson Creek Trail

Ends at Rock Island Pass
Inside Yosemite National Park
3,903 ft of climbing

17.6 mi out & back · 3,903 ft gain · Very hard

Yosemite National Park · Camp 3 mi away

Buckeye Pass

Ends at Buckeye Pass
Inside Yosemite National Park
3,511 ft of climbing

16.4 mi out & back · 3,511 ft gain · Very hard

Yosemite National Park · Camp 3 mi away

More like this

Hikes that read like this one, wherever they are.

Wolf Creek Lake
- Passes Wolf Creek Lake
- Inside Stanislaus National Forest
- 3,224 ft of climbing
12.4 mi out & back · 3,224 ft gain · Very hard
Stanislaus National Forest · Camp 4 mi away
Stanislaus Peak
- Near Stanislaus Peak
- Inside Stanislaus National Forest
- 1,460 ft of climbing
6.9 mi out & back · 1,460 ft gain · Hard
Stanislaus National Forest · Camp 5 mi away
Huckleberry Trail
- Ends at Cherry Lake
- Inside Stanislaus National Forest
- 5,430 ft of climbing
22.8 mi one way · 5,430 ft gain · Very hard
Stanislaus National Forest · Camp under a mile away
Huckleberry Trail
- Ends at a waterfall
- Inside Stanislaus National Forest
- 7,379 ft of climbing
38.0 mi one way · 7,379 ft gain · Very hard
Stanislaus National Forest · Camp under a mile away

Weather

7-day forecast

Today45°30°Mostly Cloudy
Tue37°21°Mostly Sunny
Wed38°24°Sunny
Thu41°26°Sunny
Fri44°30°Sunny
Sat49°33°Sunny
Sun48°33°Mostly Sunny

Today: Mostly Cloudy · wind 2 mph SW

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain