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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

Lost Ridge Trail

Near Crystal Lake
Inside Angeles National Forest
Camp under a mile away

2.0 mi out & back · 642 ft gain · 6,323 ft high point · Moderate

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Lost Ridge Trail is a 2.0-mile out-and-back in Angeles National Forest near Crystal Lake, reaching 6,323 feet.

Elevation

642 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.3 mi from the trailhead
Crystal Lake
Campground
0.6 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

11 mi from you
Mt. Baldy Trail
- Summits Mount San Antonio
- Inside Angeles National Forest
- 6,464 ft of climbing
11.3 mi out & back · 6,464 ft gain · Very hard
Angeles National Forest · Camp 6 mi away

Out: 590 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Crystal LakeNearby · 0.0 mi in

Nearby reading

Crystal Lake Recreation Area
Mount Islip

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: 2.0 mi
Shape: Out & back
Gain: 642 ft round trip
High point: 6,323 ft
Low point: 5,723 ft
Difficulty: ModerateFrom 2.0 mi and 642 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 17
Trailhead: 34.3244° N · 117.8427° W

Get directions Open the map

Deer Group Camp

Campground · California

2.3 mi from the trailhead

Coldbrook Campground

Campground

15 mi from you

Telegraph Peak Trail

Summits Telegraph Peak
Inside Angeles National Forest
5,003 ft of climbing

10.3 mi out & back · 5,003 ft gain · Very hard

Angeles National Forest · Camp 4 mi away

Ontario Peak Trail

Summits Ontario Peak
Inside Angeles National Forest
4,555 ft of climbing

11.3 mi out & back · 4,555 ft gain · Very hard

Angeles National Forest · Camp 4 mi away

Vetter Mountain Trail

Summits Vetter Mountain
Inside Angeles National Forest
2,867 ft of climbing

8.7 mi out & back · 2,867 ft gain · Hard

Angeles National Forest · Camp 3 mi away

Timber MTN Trail

Summits Timber Mountain
Inside Angeles National Forest
3,587 ft of climbing

8.0 mi out & back · 3,587 ft gain · Very hard

Angeles National Forest · Camp 4 mi away

Mt. Islip Trail

Summits Mount Islip
Inside Angeles National Forest
2,042 ft of climbing

6.7 mi out & back · 2,042 ft gain · Hard

Angeles National Forest · Camp 2 mi away

More like this

Hikes that read like this one, wherever they are.

Pinyon Ridge Trail
- Inside Angeles National Forest
- Camp under a mile away
1.1 mi loop · 289 ft gain · Easy
Angeles National Forest · Camp under a mile away
Lightning Ridge Nature Trail
- Passes Inspiration Point
- Inside Angeles National Forest
- Camp under a mile away
0.8 mi out & back · 229 ft gain · Easy
Angeles National Forest · Camp under a mile away
Fall Creek Trail
- Near a waterfall
- Inside Angeles National Forest
- 2,612 ft of climbing
6.0 mi out & back · 2,612 ft gain · Hard
Angeles National Forest · Camp 5 mi away
Trail Canyon Trail
- Passes Trail Canyon Falls
- Inside Angeles National Forest
- 6,171 ft of climbing
19.2 mi out & back · 6,171 ft gain · Very hard
Angeles National Forest · Camp 6 mi away

Weather

7-day forecast

Today61°45°Sunny
Tue60°44°Sunny
Wed59°33°Mostly Sunny
Thu45°31°Partly Sunny
Fri41°29°Mostly Sunny
Sat37°29°Chance Rain Showers
Sun35°27°Rain Showers Likely

Today: Sunny · wind 5 mph WSW

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain