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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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Henninger flats

Hike

Mount Wilson Toll Road

Passes Mount Yale
4,684 ft of climbing
Camp 3 mi away

17.7 mi out & back · 4,684 ft gain · 5,663 ft high point · Very hard

California · OpenStreetMap contributors

About Elevation Highlights Map Camp near here More hikes

About this hike

Mount Wilson Toll Road climbs 4,684 feet over 17.7 miles out and back, passing Mount Yale to reach 5,663 feet.

Elevation

4,684 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

2.9 mi from the trailhead
Millard Campground
Campground · California

More hikes nearby

Ranked the same way, within twenty-five miles.

9 mi from you
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

Out: 4,430 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Mount YaleAlong the way · 6.5 mi in
ViewpointAlong the way · 8.1 mi in
Eaton Canyon WaterfallNearby · 0.2 mi in
Mount HarvardNearby · 7.6 mi in
Echo RockNearby · 8.1 mi in
Mount WilsonNearby · 8.8 mi in

Nearby reading

Eaton Canyon
Eaton Fire
Henninger Flats
KOCE-TV

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: 17.7 mi
Shape: Out & back
Gain: 4,684 ft round trip
High point: 5,663 ft
Low point: 1,231 ft
Difficulty: Very hardFrom 17.7 mi and 4,684 ft of climbing
Managed by: OpenStreetMap contributors
State: California
Camps within 15 mi: 6
Trailhead: 34.1916° N · 118.1056° W

Get directions Open the map

10.4 mi from the trailhead

Coulter Group Campground

Campground

10.4 mi from the trailhead

Chilao Campground - Little Pines Loop

Campground

19 mi from you

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

Sturtevant

Passes Mount Wilson
Inside Angeles National Forest
6,391 ft of climbing

15.4 mi out & back · 6,391 ft gain · Very hard

Angeles National Forest · Camp 5 mi away

San Gabriel Peak

Summits Mount Markham
Inside Angeles National Forest
1,604 ft of climbing

4.3 mi out & back · 1,604 ft gain · Moderate

Angeles National Forest · Camp 4 mi away

Stone Canyon Trail

Summits Mount Lukens
Inside Angeles National Forest
3,336 ft of climbing

7.2 mi out & back · 3,336 ft gain · Hard

Angeles National Forest · Camp 6 mi away

MT Lowe (East)

Passes Mount Lowe
Inside Angeles National Forest
2,204 ft of climbing

6.4 mi out & back · 2,204 ft gain · Hard

Angeles National Forest · Camp 4 mi away

More like this

Hikes that read like this one, wherever they are.

Wilson Mountain
- Passes Wilson Mountain
- 1,962 ft of climbing
- Camp 2 mi away
6.1 mi out & back · 1,962 ft gain · Hard
VA · Camp 2 mi away
Wilson Creek
- Near Allen Peak
- 1,911 ft of climbing
- Camp 5 mi away
4.4 mi out & back · 1,911 ft gain · Moderate
California · Camp 5 mi away
Rim Trail
- Passes Mount Wilson
- Inside Angeles National Forest
- 2,235 ft of climbing
6.9 mi out & back · 2,235 ft gain · Hard
Angeles National Forest · Camp 5 mi away
Old Tioga Road
- Near Harden Lake
- Inside Yosemite National Park
- 2,157 ft of climbing
19.2 mi out & back · 2,157 ft gain · Very hard
Yosemite National Park · Camp under a mile away

Signal

Cell coverage here

VerizonLTE · Excellent

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Sun80°71°Sunny
Mon79°69°Sunny
Tue82°64°Sunny
Wed83°63°Sunny
Thu79°60°Sunny
Fri75°59°Mostly Sunny
Sat72°Slight Chance Light Rain

Sun: Sunny · wind 5 mph NNE

National Weather Service · refreshed hourly