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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

Castle Rock

Passes Castle Rock
Camp 1 mi away

2.4 mi out & back · 770 ft gain · 7,596 ft high point · Moderate

California · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Castle Rock is a 2.4 mile out-and-back hike along Castle Rock peak near Big Bear Lake and Bluff Lake in San Bernardino National Forest.

Elevation

770 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

1.1 mi from the trailhead
Bluff Mesa Group Camp
Campground · California

More hikes nearby

Ranked the same way, within twenty-five miles.

12 mi from you
San Gorgonio Mountain
- Summits San Gorgonio Mountain
- Inside San Bernardino National Forest
- 5,902 ft of climbing
17.6 mi out & back · 5,902 ft gain · Very hard
San Bernardino National Forest · Camp 6 mi away

Out: 760 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Castle RockAlong the way · 0.6 mi in
Big Bear LakeNearby · 0.2 mi in
Bluff LakeNearby · 1.2 mi in

Nearby reading

Bluff Lake (San Bernardino County, California)
Big Bear Lake
Cedar 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. Download the trail and feature data.

At a glance

Length: 2.4 mi
Shape: Out & back
Gain: 770 ft round trip
High point: 7,596 ft
Low point: 6,826 ft
Difficulty: ModerateFrom 2.4 mi and 770 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 35
Trailhead: 34.2368° N · 116.9617° W

Get directions Open the map

1.3 mi from the trailhead

Boulder Group Camp

Campground · California

2.6 mi from the trailhead

Grays Peak Group Camp

Campground · California

12 mi from you

Oak Glen Divide

Summits Little San Gorgonio Peak
Inside San Bernardino National Forest
4,425 ft of climbing

13.0 mi out & back · 4,425 ft gain · Very hard

San Bernardino National Forest · Camp 4 mi away

Falls Creek

Summits Shields Peak
Inside San Bernardino National Forest
6,429 ft of climbing

19.3 mi loop · 6,427 ft gain · Very hard

San Bernardino National Forest · Camp 6 mi away

Little San Gorgonio

Summits Little San Gorgonio Peak
Inside San Bernardino National Forest
5,277 ft of climbing

10.8 mi out & back · 5,277 ft gain · Very hard

San Bernardino National Forest · Camp 10 mi away

Grinnell Mountain

Summits Grinnell Mountain
Inside San Bernardino National Forest
2,863 ft of climbing

11.8 mi out & back · 2,863 ft gain · Very hard

San Bernardino National Forest · Camp 2 mi away

DRY Lake

Passes Poopout Hill
Inside San Bernardino National Forest
4,934 ft of climbing

19.1 mi out & back · 4,934 ft gain · Very hard

San Bernardino National Forest · Camp under a mile away

More like this

Hikes that read like this one, wherever they are.

Castle Rock Trail
- Summits Castle Rock
- 3,148 ft of climbing
12.9 mi out & back · 3,148 ft gain · Very hard
California
Ridge Trail
- Ends at Castle Rock Falls
- 2,509 ft of climbing
10.3 mi out & back · 2,509 ft gain · Very hard
California
Castle Lake
- Ends at Castle Lake
- 2,491 ft of climbing
- Camp 3 mi away
9.8 mi out & back · 2,491 ft gain · Hard
California · Camp 3 mi away
Bluff Mesa
- Ends at Bluff Lake
- Inside San Bernardino National Forest
- Camp under a mile away
0.7 mi out & back · 65 ft gain · Easy
San Bernardino National Forest · Camp under a mile away

Weather

7-day forecast

Thu54°32°Mostly Sunny
Fri53°34°Sunny
Sat58°36°Sunny
Sun60°36°Sunny
Mon58°36°Sunny
Tue57°35°Sunny
Wed57°Sunny

Thu: Mostly Sunny · wind 0 to 10 mph NE

National Weather Service · refreshed hourly

Signal

Cell coverage here

Verizon5G · Excellent
AT&TLTE · Fair
T-MobileLTE · Poor

FCC coverage data · signal varies in remote terrain