Skip to content

Map Activities Discover Guides Trips Saves

A map of everywhere you can sleep outside in the U.S., with the weather and cell signal to match. Built to stay free.

Explore

Map
Hiking
State guides
Discover

Plan

Trip planner
My trips
Saves
Offline downloads

About

Privacy
Data deletion

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

Leave it better than you found it.

Hike

Summit

Passes Hammerhorn Mountain
Inside Mendocino National Forest
7,389 ft of climbing

23.9 mi out & back · 7,389 ft gain · 7,429 ft high point · Very hard

From Green Springs Trailhead

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Summit is a 23.9-mile out and back from Green Springs Trailhead ascending 7,389 feet near Hammerhorn Mountain, The Knob, Vinegar Peak, and Solomon Peak in Mendocino National Forest.

Elevation

7,389 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.2 mi from the trailhead
Green Springs Campground
Campground

More hikes nearby

Ranked the same way, within twenty-five miles.

13 mi from you
Morrison Creek
- Summits Little Butte
- Inside Yolla Bolly-Middle Eel Wilderness
- 4,552 ft of climbing
10.7 mi loop · 4,552 ft gain · Very hard
Yolla Bolly-Middle Eel Wilderness · Camp 14 mi away

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

Highlights

What the trail reaches, measured from the start.

Hammerhorn MountainAlong the way · 3.4 mi in
Solomon PeakNearby · 4.9 mi in
Sugarloaf MountainNearby · 6.9 mi in
Vinegar PeakNearby · 9.4 mi in
The KnobNearby · 11.6 mi in

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: 23.9 mi
Shape: Out & back
Gain: 7,389 ft round trip
High point: 7,429 ft
Low point: 5,949 ft
Difficulty: Very hardFrom 23.9 mi and 7,389 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 4
Start: Green Springs Trailhead
Trailhead: 39.9726° N · 122.9336° W

Get directions Open the map

7.2 mi from the trailhead

Howard Meadows Campground

Campground · California

7.9 mi from the trailhead

Sugar Spring Campground

Campground

9 mi from you

Hotel Camp

Summits Red Rock
Inside Mendocino National Forest
4,614 ft of climbing

14.0 mi out & back · 4,614 ft gain · Very hard

Mendocino National Forest · Camp 8 mi away

Solomon Peak Cutoff

Summits Solomon Peak
Inside Mendocino National Forest
3,239 ft of climbing

11.5 mi loop · 3,230 ft gain · Very hard

Mendocino National Forest · Camp 5 mi away

Black Rock MTN

Summits Black Rock Mountain
Inside Trinity National Forest
2,540 ft of climbing

8.8 mi out & back · 2,540 ft gain · Hard

Trinity National Forest · Camp 3 mi away

French Cove

Summits Solomon Peak
Inside Mendocino National Forest
3,176 ft of climbing

11.8 mi loop · 3,176 ft gain · Very hard

Mendocino National Forest · Camp 5 mi away

Black Butte Scenic

Summits Black Butte
Inside Mendocino National Forest
Camp 1 mi away

1.3 mi out & back · 566 ft gain · Easy

Mendocino National Forest · Camp 1 mi away

More like this

Hikes that read like this one, wherever they are.

Summit
- Near Prather Mill
- Inside Mendocino National Forest
- 2,060 ft of climbing
9.9 mi out & back · 2,060 ft gain · Hard
Mendocino National Forest · Camp 7 mi away
Hammerhorn Ridge
- Near Hammerhorn Mountain
- Inside Mendocino National Forest
- 3,974 ft of climbing
13.8 mi out & back · 3,974 ft gain · Very hard
Mendocino National Forest · Camp under a mile away
Summit Springs Trail
- Passes a viewpoint
- Inside Mendocino National Forest
- 1,111 ft of climbing
4.0 mi out & back · 1,111 ft gain · Moderate
Mendocino National Forest · Camp 3 mi away
Hammerhorn Ridge Cutoff
- Near Hammerhorn Mountain
- Inside Mendocino National Forest
- 1,867 ft of climbing
7.4 mi loop · 1,867 ft gain · Hard
Mendocino National Forest · Camp under a mile away

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Sat56°41°Sunny
Sun51°40°Partly Sunny
Mon48°40°Partly Sunny
Tue53°44°Sunny
Wed53°41°Mostly Sunny
Thu46°38°Chance Light Rain
Fri43°Light Rain Likely

Sat: Sunny · wind 1 to 10 mph WSW

National Weather Service · refreshed hourly