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United States
California
Mono County
Mammoth Lakes

Lakes Basin Loop

Hard

3.3

(17)

42

runners

Lakes Basin Loop

01:44

12.5km

470m

Running

Prepare for a challenging jogging experience on the Lakes Basin Loop, a difficult route spanning 7.8 miles (12.5 km) with a significant elevation gain of 1547 feet (471 metres). You can expect to complete this loop in about 1 hour and 43 minutes, pushing your limits amidst stunning alpine scenery. As you jog, you will encounter a diverse landscape, from well-maintained paths to more rugged, rockier sections. The trail offers continuous visual rewards, passing by several beautiful lakes like McLeod Lake and Lake Mary, where crystal clear waters mirror the surrounding peaks. Look out for green patches and cool canyons, with snow sometimes visible on the higher elevations, adding to the dramatic backdrop.

Accessing the Lakes Basin Loop is straightforward, with convenient parking options located close to the trailhead. Before you set out, be aware that certain sections of the trail can be quite rocky and less maintained, requiring careful footing throughout your jog. Given the crisscrossing nature of some paths, carrying a reliable map, such as the one on komoot, is highly recommended to ensure you stay on course. Always check local conditions before your visit, especially regarding weather and potential seasonal closures, to plan your trip effectively.

This loop is situated within the expansive Inyo National Forest, an area renowned for its dramatic mountain landscapes and pristine natural beauty. The region is characterized by its high-altitude environment, offering a unique ecosystem where alpine flora thrives and wildlife can occasionally be spotted. The presence of multiple lakes within the basin creates a distinct microclimate and provides critical habitats for various species. The trail's challenging nature and the rewarding views make it a notable option for those seeking a vigorous outdoor workout in a truly wild setting.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Ansel Adams Wilderness

Inyo National Forest

Waypoints

A

Start point

Parking

Get Directions

1

1.27 km

McLeod Lake

Highlight • Lake

One of the most easily accessible lakes and one of the most beautiful in Mammoth Lakes.

Tip by

2

6.00 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

3

8.98 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

B

12.5 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

7.53 km

2.18 km

2.14 km

681 m

Surfaces

8.56 km

3.18 km

681 m

105 m

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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)

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Weather

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Wednesday 6 May

12°C

1°C

0 %

Additional weather tips

Max wind speed: 5.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Lakes Basin Loop trail start, and what are the parking options?

The Lakes Basin Loop is located in the Inyo National Forest. While specific trailhead parking can vary, many trails in the Twenty Lakes Basin area, which this loop is part of, often start near Saddlebag Lake or other access points off Tioga Pass. Parking is typically available at these trailheads, but it can fill up quickly during peak season. Always check local signage for specific parking regulations and any fees.

Is the Lakes Basin Loop suitable for beginner joggers?

This loop is rated as difficult for jogging, with a significant elevation gain of over 470 meters across its 12.5 km distance. While generally considered moderate for hiking, some sections can be rocky and less maintained, requiring careful footing. It's best suited for experienced joggers or those comfortable with challenging mountain terrain and high altitudes.

What is the best time of year to jog this loop?

The best time to jog the Lakes Basin Loop is typically from late spring through early fall (June to October). During these months, snow has usually melted, and the weather is more favorable. However, be aware that snow can persist until mid-July at higher elevations, and afternoon thunderstorms are common in summer. Always check current trail conditions and weather forecasts before heading out.

Are dogs allowed on the Lakes Basin Loop?

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

Do I need a permit or pay an entrance fee for the Inyo National Forest?

While there isn't a specific entrance fee for Inyo National Forest itself, some areas or activities within the forest may require permits or fees. For example, wilderness permits are often required for overnight backpacking trips, and certain trailheads or recreation sites might have day-use fees. It's always best to check the official Inyo National Forest website or a local ranger station for the most up-to-date information regarding permits and fees for your specific activity.

What can I see along the route?

The loop offers stunning views of the Eastern Sierra landscape. You'll pass by beautiful alpine lakes such as McLeod Lake and Lake Mary. There are also fantastic panoramic spots like the Lake George & Lake Mary Overview, providing breathtaking vistas of the surrounding mountains and water bodies.

What is the terrain like for jogging?

The terrain on this loop is varied. While some sections might be well-maintained, others can be quite rocky and less even, especially on descents. You might encounter log crossings and areas where the trail crisscrosses, requiring careful attention to navigation. The high altitude also adds to the challenge, making it important to pace yourself.

Does the trail intersect other well-known paths?

Yes, the route incorporates sections of several other trails. You'll find yourself on parts of the Mammoth Crest Trail, Lakes Basin Path, Rim Trail, Mammoth Pass Cutoff, Horseshoe Lake Trail, and Mammoth Pass Trail, among others. This allows for diverse scenery and connections to other areas.

Are there any wild swimming spots along the way?

The Lakes Basin area is renowned for its numerous alpine lakes. While swimming is generally permitted in many of these natural lakes, always be mindful of water quality, temperature, and any posted regulations. Lakes like McLeod Lake and Lake Mary are popular spots, but the water can be very cold, even in summer.

What should I bring for jogging this loop?

Given the challenging terrain and high altitude, it's essential to be well-prepared. Bring plenty of water, high-energy snacks, and wear appropriate trail running shoes with good grip. Layers of clothing are recommended due to changing mountain weather, along with sun protection (hat, sunglasses, sunscreen). A map or GPS device is also advisable for navigation, as some sections can be less clearly marked.

Are there cafes or accommodation options nearby after jogging?

The Lakes Basin area is close to Mammoth Lakes, which offers a wide range of amenities. You'll find numerous cafes, restaurants, and various accommodation options, from hotels to campgrounds, in Mammoth Lakes, making it a convenient base for your visit.

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