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.

Twin Lakes, Mammoth Lakes Region, Sierra Nevada 2015 (30617707564)

Hike

Mammoth LKS Pack-Mammoth Pass

Ends at Lake Mary
Inside Inyo National Forest
Camp under a mile away

2.7 mi out & back · 319 ft gain · 9,049 ft high point · Easy

From Red Cones Trailhead via Mammoth Pass - Red'S Meadow (0.1 mi)

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

About Elevation Highlights Map Camp near here More hikes

About this hike

This 2.7-mile out and back route from Red Cones Trailhead reaches Lake Mary via Mammoth Pass - Red's Meadow in Inyo National Forest. The trail gains 319 feet to 9,049 feet.

Elevation

319 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.8 mi from the trailhead
Twin Lakes Campground
Campground · California

More hikes nearby

Ranked the same way, within twenty-five miles.

6 mi from you
Fish Creek
- Ends at Rainbow Falls
- Inside Ansel Adams Wilderness
- 4,455 ft of climbing
19.3 mi one way · 4,455 ft gain · Very hard
Ansel Adams Wilderness · Camp 3 mi away

Out: 90 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Lake MaryDestination · 1.2 mi in
Horseshoe LakeAlong the way · 0.3 mi in
Twin FallsAlong the way · 0.9 mi in
Twin FallsAlong the way · 0.9 mi in
McLeod LakeNearby · 0.1 mi in
Twin LakesNearby · 0.9 mi in
Twin Falls viewNearby · 0.9 mi in
Lake GeorgeNearby · 1.1 mi in
ViewpointNearby · 1.3 mi in

Nearby reading

Lake Mary (California)
Crystal Crag
Horseshoe Lake (Mono County, California)
Twin Lakes (Mammoth Lakes, California)

Map

The hike from its start, the approach dashed. 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: 2.7 mi
Shape: Out & back
Gain: 319 ft round trip
High point: 9,049 ft
Low point: 8,874 ft
Difficulty: EasyFrom 2.7 mi and 319 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 20
Start: Red Cones Trailhead
Trailhead: 37.6132° N · 119.0212° W

Get directions Open the map

0.9 mi from the trailhead

Lake Mary Campground

Campground

1.6 mi from the trailhead

Coldwater Campground - Inyo NF (CA)

Campground · California

20 mi from you

Bernice Lake Trail

Ends at Bernice Lake
Inside Yosemite National Park
3,676 ft of climbing

21.8 mi out & back · 3,676 ft gain · Very hard

Yosemite National Park · Camp under a mile away

Beck Lakes Trail

Ends at Lower Beck Lake
Inside Devils Postpile National Monument
3,619 ft of climbing

14.7 mi out & back · 3,619 ft gain · Very hard

Devils Postpile National Monument · Camp 1 mi away

John Muir

Ends at Thousand Island Lake
Inside Devils Postpile National Monument
4,241 ft of climbing

12.6 mi one way · 4,241 ft gain · Very hard

Devils Postpile National Monument · Camp 1 mi away

Minnow Creek

Ends at Lake of the Lone Indian
Inside John Muir Wilderness
4,410 ft of climbing

20.1 mi out & back · 4,410 ft gain · Very hard

John Muir Wilderness · Camp 5 mi away

Goodale Pass

Ends at Lake Thomas A Edison
Inside John Muir Wilderness
4,384 ft of climbing

19.9 mi out & back · 4,384 ft gain · Very hard

John Muir Wilderness · Camp 8 mi away

More like this

Hikes that read like this one, wherever they are.

Mammoth MTN - Mammoth Pass C/o
- Passes Horseshoe Lake
- Inside Inyo National Forest
- Camp under a mile away
3.2 mi out & back · 827 ft gain · Moderate
Inyo National Forest · Camp under a mile away
Mammoth Lakes Pack Station
- Passes Lake Mary
- Inside Inyo National Forest
- Camp under a mile away
3.6 mi out & back · 436 ft gain · Moderate
Inyo National Forest · Camp under a mile away
Mammoth Pass Trail
- Passes Horseshoe Lake
- Inside Inyo National Forest
- 1,176 ft of climbing
4.7 mi out & back · 1,176 ft gain · Moderate
Inyo National Forest · Camp under a mile away
Mammoth Pass - Red'S Meadow
- Passes Horseshoe Lake
- Inside Inyo National Forest
- 2,199 ft of climbing
8.2 mi out & back · 2,199 ft gain · Hard
Inyo National Forest · Camp under a mile away

Signal

Cell coverage here

VerizonLTE · Poor
AT&TNo signal
T-MobileLTE · Fair

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Sat32°26°Heavy Snow
Sun29°19°Snow Likely
Mon37°29°Mostly Sunny
Tue40°25°Mostly Sunny
Wed37°25°Mostly Sunny
Thu37°24°Mostly Sunny
Fri35°Slight Chance Light Snow

Sat: Heavy Snow · wind 10 to 15 mph SW

National Weather Service · refreshed hourly