Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Hiking trails & Routes
United States
California
Mono County
Mammoth Lakes

Mammoth Lakes Basin Loop

Moderate

4.6

(8819)

15,438

hikers

Mammoth Lakes Basin Loop

04:39

15.0km

530m

Hiking

Hike the Mammoth Lakes Basin Loop for a moderate 9.3-mile (15.0 km) journey through diverse alpine scenery. You will gain 1723 feet (525 metres) in elevation, taking about 4 hours and 39 minutes to complete the circuit. The route winds past shimmering alpine lakes like Lake Mary and Horseshoe Lake, offering expansive views from spots such as the Red Basalt Cliff. Expect a mix of terrain, from paved paths to more rugged singletrack, as you move through lush forests and catch glimpses of the jagged Sierra Nevada peaks.

Planning your hike on the Mammoth Lakes Basin Loop requires some thought, especially regarding access. Parking spots can be scarce within the Lakes Basin, particularly during busy times of the year. To avoid parking hassles, consider using the Lakes Basin Trolley, which runs during the summer months and provides convenient access to various trailheads along the route. Be prepared for varied surfaces underfoot, as the trail combines both paved sections and more rugged singletrack paths.

This loop offers a comprehensive way to experience the high-country landscape of the Mammoth Lakes area within the Inyo National Forest. It provides a true immersion into the natural environment, showcasing the region's characteristic alpine lakes and dramatic Sierra Nevada mountain backdrop. The trail's design allows you to see many of the area's highlights in a single outing, making it a popular choice for those wanting to explore the basin extensively.

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.03 km

McLeod Lake

Highlight • Lake

A crystal-clear lake that is surrounded by forest, with the Crystal Crag in the background. It is easily accessible by a short hike, and there is a trail that circumferences it, taking you to the peaceful forest views around the lake.

Tip by

2

3.88 km

View from Red Basalt Cliff

Highlight • Viewpoint

The Rim Trail follows the top of a red basalt cliff, offering a 360-degree view of the surrounding lakes. The varied colors of the rocks add a stunning touch to the landscape, with the green trees contrasting with the red and gray.

Tip by

3

5.80 km

Lake George & Lake Mary Overview

Highlight • Viewpoint

These two magnificent twin lakes have nothing to envy to the famous natural sites of Yosemite National Park nearby, as they are so beautiful.

Tip by

4

8.93 km

Lake Mary

Highlight • Lake

Lake Mary is nestled in front of a red basalt cliff and surrounded by forest, creating a scenic setting. In the winter, the area is blanketed in snow, making it ideal for cross-country skiing.

Tip by

5

13.9 km

View of Twin Lakes

Highlight • Viewpoint

great views, stop and take a photo down the valley

Tip by

6

14.8 km

Horseshoe Lake

Highlight • Lake

Horseshoe Lake sits at the end of Lake Mary Road and the Lakes Basin Bike Path. You can stop here for a swim or leave your bike and hike around the lake. One thing of note is that this area has an unusually high concentration of CO2 due to underground gas reservoirs, the U.S.G.S. has been monitoring the CO2 levels since the late 1980s.

Tip by

B

15.0 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

9.57 km

2.42 km

1.75 km

1.27 km

Surfaces

10.8 km

1.75 km

1.24 km

1.21 km

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (3,170 m)

Lowest point (2,710 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Friday 8 May

20°C

3°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Frequently Asked Questions

Where can I park for the Mammoth Lakes Basin Loop, and are there shuttle options?

Parking can be limited, especially during peak season. The Lakes Basin Trolley operates during summer months, providing convenient access to various trailheads and helping manage parking. You can hop on and off at popular spots like Horseshoe Lake, Lake Mary, and Twin Lakes. Utilizing the trolley is a great way to avoid parking hassles.

Is the Mammoth Lakes Basin Loop dog-friendly?

Yes, dogs are generally allowed on trails within the Mammoth Lakes Basin and Inyo National Forest. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Always remember to pack out any waste.

What is the best time of year to hike the Mammoth Lakes Basin Loop?

The best time to hike this loop is typically from late spring through early fall (June to October), when the snow has melted, and the weather is pleasant. Summer offers lush scenery and full access to all areas, while fall brings beautiful autumn colors. Winter hiking is possible but requires snowshoes or skis and different preparations.

Do I need a permit or pay an entrance fee for the Mammoth Lakes Basin Loop?

No, there is no entrance fee to access the Mammoth Lakes Basin or the Inyo National Forest for day hiking. However, if you plan to camp overnight in the backcountry, a wilderness permit is required. Check the Inyo National Forest website for current regulations regarding permits and fire restrictions.

What is the terrain like on the Mammoth Lakes Basin Loop?

The loop offers varied terrain. Sections, particularly along the Lakes Basin Path, are primarily paved and multi-use, with a moderate grade. Other parts of the broader loop involve singletrack paths, dirt, and gravel surfaces, with significant elevation changes, including steep climbs and rolling descents. You'll traverse forested areas and some rocky sections.

What notable landmarks and viewpoints will I see along the route?

The loop provides breathtaking views of several alpine lakes, including Lake Mary, Horseshoe Lake, and Twin Lakes. You'll also pass by McLeod Lake and enjoy panoramic vistas from spots like View from Red Basalt Cliff and Lake George & Lake Mary Overview. Keep an eye out for views of Twin Falls and the Mammoth Crest.

Is the Mammoth Lakes Basin Loop suitable for families or those seeking an accessible hike?

Portions of the loop, particularly the paved Lakes Basin Path, are considered easy to moderate and are very family-friendly, suitable for strollers and even e-bikes. This section is a pleasant way to experience the lower Lakes Basin. However, the full loop, which incorporates more rugged trails, can be more challenging and less accessible.

Does the Mammoth Lakes Basin Loop connect with other trails?

Yes, the route intersects with several other trails, offering opportunities for longer or alternative hikes. Notable sections include the Mammoth Crest Trail, Lakes Basin Path, and the Rim Trail. You'll also encounter parts of the Mammoth Pass Cutoff, Horseshoe Lake Trail, and Mammoth Pass Trail.

What's the best way to experience the Lakes Basin Path section of the loop?

For a predominantly downhill and less strenuous experience on the paved Lakes Basin Path, consider starting from a higher elevation, such as Horseshoe Lake, and making your way down towards the North Village. The Lakes Basin Trolley can facilitate this by dropping you off at a higher point, allowing for a more relaxed descent while enjoying the scenic views.

What kind of wildlife might I encounter on the trail?

The Mammoth Lakes Basin is home to diverse wildlife. You might spot various bird species, squirrels, chipmunks, and marmots. Deer are also common. While less frequent, black bears inhabit the area, so it's important to practice bear-safe food storage and carry bear spray if you feel it's necessary.

Are there facilities or water sources along the trail?

Along the more developed sections of the loop, particularly near the lakes and trailheads accessible by the Lakes Basin Trolley, you may find restrooms and picnic areas. However, for the more remote parts of the loop, plan to carry all the water you need. There are no guaranteed potable water sources directly on the trail, so filtering or treating natural water sources is recommended if you rely on them.

Nearby routes

Easy

4.3

33

McCleod Lake Trail

00:53h

2.95km

100m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy