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Hiking trails & Routes
United States
California
Mono County
Mammoth Lakes

Twin Lakes and Lake Mary Loop

Moderate

3.4

(23)

81

hikers

Twin Lakes and Lake Mary Loop

02:57

10.4km

270m

Hiking

Embark on the Twin Lakes and Lake Mary Loop, a moderate hike that takes you through diverse mountain landscapes. You will cover 6.5 miles (10.4 km) and gain 875 feet (267 metres) in elevation, typically taking around 2 hours and 56 minutes to complete. As you hike, you will experience the refreshing scent of pine forests, especially on the path connecting Lake Mary and Twin Lakes. The route offers expansive vistas of surrounding peaks and, depending on the season, you might spot vibrant wildflowers along the way. This loop provides a rewarding experience with its varied terrain and beautiful lake views.

When planning your visit, remember that this moderate trail includes some steep sections, so be prepared for a good workout. If you are considering a spring hike, be aware that snow can persist on alpine trails as late as June; always check current conditions before heading out. The cooler temperatures at this elevation make summer and fall ideal seasons for this adventure. Starting your hike earlier in the day can help you avoid crowds and enjoy the tranquil morning atmosphere.

This trail is a popular choice within the Inyo National Forest, known for its stunning lake scenery. The path winds through varied mountain terrain, offering a pleasant atmosphere for hikers seeking a connection with nature. You will find sections that provide ample shade from the sun, particularly through the pine forests. The combination of clear lakes, mountain vistas, and forest paths makes this loop a standout option for a day outdoors.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

1

4.32 km

Twin Lakes

Highlight • Lake

Twin Lakes is just a few minutes drive from Mammoth Lakes. In spring a huge waterfall thunders from the mountains. The lakes are filled with trout, so it is worth taking a fishing rod.

Translated by Google •

Tip by

5.89 km

Viewpoint

Viewpoint

3

7.87 km

Lake Mamie

Highlight • Lake

This lake is found between Lake Mary and Horseshoe Lake, and is a highly popular fishing spot. Numerous picnic areas are available for visitors to enjoy the stunning views of the water. Additionally, there are vantage points offering views of Mammoth Mountain and the spillway to Twin Lakes.

Tip by

4

8.07 km

Lake Mary

Highlight • Lake

Lake Mary is the largest lake of the over one hundred lakes that comprise the Mammoth Lakes area. The lake has a campground to the northeast and two marinas offering boat and kayak rentals.

Tip by

B

10.4 km

End point

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Way Types & Surfaces

Way Types

5.55 km

2.47 km

2.39 km

< 100 m

Surfaces

4.11 km

3.67 km

2.40 km

196 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Friday 22 May

14°C

3°C

37 %

Additional weather tips

Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the Twin Lakes and Lake Mary Loop?

The Komoot data suggests this loop takes approximately 2 hours and 57 minutes to complete. However, this is an estimate and can vary based on your pace, how often you stop for photos, and trail conditions.

Is the Twin Lakes and Lake Mary Loop a challenging hike?

This trail is generally rated as moderate. While it's considered family-friendly, there are some steep sections that can be a good workout. The total elevation gain is around 267 meters (876 feet).

What kind of terrain and scenery can I expect on this trail?

The loop offers varied terrain, including well-shaded paths through pine forests and some rocky sections. The scenery is a major highlight, featuring stunning alpine views, beautiful wildflowers in season, and of course, the picturesque Lake Mary and Twin Lakes.

What are the main points of interest along the route?

The primary attractions are the beautiful lakes themselves. You'll pass by Twin Lakes, Lake Mamie, and Lake Mary, which are considered some of the prettiest in the area. The section between Lake Mary and Twin Lakes is particularly noted for its shaded beauty.

Can I shorten or extend the Twin Lakes and Lake Mary Loop?

Yes, this loop is highly adjustable! You can shorten it by doing an out-and-back trip just to Lake Mary, or extend it to include other nearby lakes like Martha, Catherine, and Dog Lake. This flexibility makes it suitable for various fitness levels and time commitments.

Does the trail connect with other paths?

Yes, the route also passes through sections of the Lakes Basin Path and the Panorama Dome Trail, offering opportunities to explore further if you wish.

Is the Twin Lakes and Lake Mary Loop dog-friendly?

Generally, trails in the Inyo National Forest allow dogs, but they must be kept on a leash. Always check current regulations for specific areas within the forest before you go, as rules can change.

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

The cooler temperatures at this elevation make it an excellent choice for summer or fall hiking. Be aware that snow can persist on the trail as late as June, potentially making spring hiking difficult.

Do I need a permit or pay an entrance fee for the Twin Lakes and Lake Mary Loop?

As this trail is located within the Inyo National Forest, there may be specific regulations regarding permits or fees, especially for overnight stays or certain activities. For the most up-to-date information on day-use permits, wilderness permits, or any potential entrance fees, it's best to check the official Inyo National Forest website or contact a local ranger station.

Where can I park to access the Twin Lakes and Lake Mary Loop?

While specific parking details can vary, popular access points for loops like this often involve designated parking lots near the main lakes or trailheads. Given its popularity, arriving early, especially on weekends, is recommended to secure a spot. Check local signage for any parking fees or restrictions.

Is the Twin Lakes and Lake Mary Loop suitable for families with children?

Yes, the trail is often considered family-friendly, especially if you opt for a shorter out-and-back section to Lake Mary. The varied scenery and beautiful lakes are enjoyable for all ages, though some steeper sections might require a bit more effort from younger hikers.

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