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Hiking trails & Routes
Mono County
June Lake

Thousand Island Lake via Rush Creek Trail

Routes
Hiking trails & Routes
Mono County
June Lake

Thousand Island Lake via Rush Creek Trail

Hard

20

hikers

Thousand Island Lake via Rush Creek Trail

04:15

11.9km

970m

Hiking

Embark on a difficult hiking adventure to Thousand Island Lake via Rush Creek Trail, covering 7.4 miles (11.9 km) with a significant 3180 feet (969 metres) of elevation gain. This challenging route typically takes 4 hours and 15 minutes to complete, offering continuous scenic views through the Ansel Adams Wilderness. You will pass several alpine lakes, including Agnew Lake and Gem Lake, which provides your first view of the impressive Ritter Range. The highlight is Thousand Island Lake, where Banner Peak stands majestically over the water and its many small islands. Expect wildflowers to line your path during the right season.

This is a difficult hike with substantial elevation gain and rocky sections, so assess your fitness level before you start. If you plan to extend your trip overnight, be aware that backpacking permits are required. These permits can be reserved up to six months in advance, so plan accordingly. Ensure you carry enough water and supplies for the duration of the journey. The trail is best enjoyed during the warmer months when snow has melted and wildflowers are in bloom.

This route offers more than just a day hike; it provides connections to longer, iconic trails. The path intersects with both the Pacific Crest Trail (PCT) and the John Muir Trail (JMT), making it a gateway for extended backpacking adventures. The journey through the Ansel Adams Wilderness ensures a pristine natural experience, showcasing the Sierra Nevada's rugged beauty. This trail is a notable option for experienced hikers seeking a rewarding challenge and stunning alpine scenery.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

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Waypoints

A

Start point

Parking

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1

8.78 km

Clark Lakes

Highlight • Lake

Set of alpine lakes between the John Muir Trail at Garnet Lake and Agnew Pass

Tip by

2

11.0 km

Maintaining gorgeous views of the lake and the Minarets to the west, the PCT approaching from the South dips down near the Middle Fork San Joaquin River, just below its outflow from Thousand Island Lake.

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3

11.6 km

Thousand Island Lake

Highlight • Lake

Thousand Island Lake is one of the most beautiful lakes in the Sierra Nevada. It's name comes from the shimmering stone islands that make up it's unique and a true postcard motif. On its eastern shore, the Pacific Crest and John Muir Trail converge again.

Since this area is especially popular in the summer, you'll need an Inyo Natioal Forest permit to stay overnight, which you can apply for online six months prior your hike here: recreation.gov/permits/233262

Tip by

B

11.9 km

Unless a heavy snow melt washed it out, two timber planks form a bridge at the outflow of the San Joaquin river from 1000 Island Lake, giving hikers on the JMT a dry crossing and spectacular views.

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Way Types & Surfaces

Way Types

11.7 km

215 m

< 100 m

Surfaces

9.40 km

2.26 km

228 m

< 100 m

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Elevation

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Wednesday 20 May

19°C

0°C

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Thousand Island Lake via Rush Creek Trail?

This trail is generally considered difficult due to significant elevation gain and rocky, sometimes unstable scree paths. It's recommended for experienced hikers, and some consider it too difficult for children. Knowing your limits before attempting it is crucial.

What is the terrain like on the way to Thousand Island Lake?

The terrain involves a steady climb with substantial elevation gain, especially in the initial miles. You'll encounter rocky paths and some scree trails. The route also crosses steep tram tracks related to hydropower infrastructure. Expect varied landscapes from forests to alpine meadows as you ascend.

What scenic highlights will I encounter on the trail?

The trail offers consistently stunning views. You'll see vistas of June Lake, Clark Lakes, Agnew Lake, and the beautiful Gem Lake with its first views of the Ritter Range. The highlight is undoubtedly Thousand Island Lake, known for its numerous islands and the majestic Banner Peak rising above it. You'll also cross the John Muir Trail 1000 Island Lake Bridge.

Does this route connect to other major trails?

Yes, the Rush Creek Trail intersects with the legendary Pacific Crest Trail (PCT) and the John Muir Trail (JMT). The route itself also passes through sections of the Spooky Meadow Trail, the Rush Creek Trail, the Clark Lakes Trail, and the River Trail.

What is the best time of year to hike to Thousand Island Lake?

The best time to visit is typically late spring through early fall, once the snow has melted and before new snow arrives. This period offers the most accessible conditions and vibrant wildflowers. However, it's also the most popular time, so expect crowds.

What are the seasonal conditions like, especially regarding snow and mosquitos?

Early season (late spring/early summer) can still have significant snow patches, especially at higher elevations, and stream crossings might be challenging. Mosquitos can be prevalent in marshy areas and near lakes during summer months, so come prepared with repellent.

Is the Thousand Island Lake via Rush Creek Trail dog-friendly?

Dogs are generally allowed on leash in the Inyo National Forest and Ansel Adams Wilderness, but specific regulations may apply. Always check the latest rules for the area before bringing your dog, especially regarding wilderness areas and sensitive wildlife habitats.

Do I need a permit or pay an entrance fee for this trail?

While there isn't an entrance fee for the Ansel Adams Wilderness, backpacking permits are required for overnight trips. These permits are highly sought after and can be reserved up to six months in advance. Day hikers typically do not need a permit, but always verify current regulations.

Where can I park and access the Rush Creek Trailhead?

The Rush Creek Trailhead is located near Silver Lake in the June Lake Loop area. Parking is available at the trailhead, but it can fill up quickly, especially on weekends and during peak season. Arriving early is highly recommended.

Are there facilities at the Rush Creek Trailhead?

The Rush Creek Trailhead typically offers basic facilities such as restrooms and bear boxes for food storage. It's always a good idea to carry your own water, though sources might be available along the trail (requiring filtration).

Are there amenities or accommodation options near the trailhead?

Yes, the June Lake Loop area, where the trailhead is located, offers various amenities including accommodation, cafes, and pubs. The larger town of Mammoth Lakes, a short drive away, also provides a wider range of services, restaurants, and lodging options.

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