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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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Castlelake 3

Hike

Castle Lake

Ends at Castle Lake
2,491 ft of climbing
Camp 3 mi away

9.8 mi out & back · 2,491 ft gain · 5,838 ft high point · Hard

California · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Castle Lake is the destination of this 9.8 mile out and back trail climbing 2,491 feet.

Elevation

2,491 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

3.4 mi from the trailhead
Castle Lake Campground
Campground · California

More hikes nearby

Ranked the same way, within twenty-five miles.

11 mi from you
Mt. Eddy
- Summits Mount Eddy
- Inside Shasta National Forest
- 2,688 ft of climbing
8.1 mi out & back · 2,688 ft gain · Hard
Shasta National Forest · Camp 10 mi away

Out: 1,200 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Castle LakeDestination · 4.9 mi in
Mount BradleyNearby · 0.0 mi in
Middle PeakNearby · 4.5 mi in

Nearby reading

Castle Lake (California)

Map

The route at the trailhead. 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. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 9.8 mi
Shape: Out & back
Gain: 2,491 ft round trip
High point: 5,838 ft
Low point: 5,262 ft
Difficulty: HardFrom 9.8 mi and 2,491 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 3
Trailhead: 41.2258° N · 122.3151° W

Get directions Open the map

7.0 mi from the trailhead

Girard Ridge Lookout

Campground · California

8.8 mi from the trailhead

Red Fir Flat Group Campground

Campground · California

19 mi from you

PCT - California Section O

Ends at Burney Falls
20,760 ft of climbing
Camp 3 mi away

80.7 mi one way · 20,760 ft gain · Very hard

California · Camp 3 mi away

Sisson-Callahan National Recreation Trail

Ends at Deadfall Lakes
Inside Shasta National Forest
5,433 ft of climbing

19.1 mi out & back · 5,433 ft gain · Very hard

Shasta National Forest · Camp 4 mi away

Sisson-Callahan NRT

Ends at Deadfall Lakes
Inside Shasta National Forest
5,431 ft of climbing

18.4 mi out & back · 5,431 ft gain · Very hard

Shasta National Forest · Camp 4 mi away

Everitt Traverse

Summits Everitt Hill
Inside Shasta National Forest
1,298 ft of climbing

11.0 mi loop · 1,297 ft gain · Hard

Shasta National Forest · Camp 1 mi away

Marmots Hideout

Summits Everitt Hill
Inside Shasta National Forest
1,241 ft of climbing

10.2 mi out & back · 1,241 ft gain · Hard

Shasta National Forest · Camp 1 mi away

More like this

Hikes that read like this one, wherever they are.

Castle Lake
- Ends at Castle Lake
- Inside Humboldt National Forest
- 3,078 ft of climbing
9.1 mi out & back · 3,078 ft gain · Very hard
Humboldt National Forest · Camp 2 mi away
Crags Trail
- Passes Castle Dome
- 2,229 ft of climbing
- Camp 3 mi away
5.5 mi out & back · 2,229 ft gain · Hard
California · Camp 3 mi away
Castle Crags
- Near Los Pelados
- 5,784 ft of climbing
21.8 mi out & back · 5,784 ft gain · Very hard
California · Camp 8 mi away
Castle Rock Trail
- Summits Castle Rock
- 3,148 ft of climbing
12.9 mi out & back · 3,148 ft gain · Very hard
California

Signal

Cell coverage here

VerizonLTE · Fair
AT&TLTE · Poor
T-MobileLTE · Good

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Today44°33°Mostly Cloudy
Wed53°35°Mostly Sunny
Thu56°38°Sunny
Fri63°43°Mostly Sunny
Sat63°40°Sunny
Sun58°40°Mostly Sunny
Mon56°39°Partly Sunny

Today: Mostly Cloudy · wind 3 mph S

National Weather Service · refreshed hourly