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Routes
Hiking trails & Routes
United States
California
Trinity County

Boulder Lake Trail

Easy

5.0

(6344)

7,762

hikers

Boulder Lake Trail

01:25

4.33km

270m

Hiking

Embark on an easy hike along the Boulder Lake Trail, a route that guides you through lush meadows and deep forests. This 2.7-mile (4.3 km) journey involves an 880 feet (268 metres) elevation gain, typically taking about 1 hour and 24 minutes to complete. You will discover the pristine Boulder…

Last updated: April 23, 2026

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Your route passes through protected areas

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4.33 km

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Way Types & Surfaces

Way Types

4.33 km

Surfaces

4.30 km

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Elevation

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Thursday 7 May

19°C

9°C

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Frequently Asked Questions

How long does it typically take to hike the Boulder Lake Trail?

The Komoot tour for the Boulder Lake Trail is approximately 4.3 kilometers (2.7 miles) long. Most hikers can expect to complete this out-and-back route in about 1 hour and 25 minutes, depending on their pace and how much time they spend enjoying the lakes.

What is the terrain like on the Boulder Lake Trail?

The trail features a varied terrain of dirt and rock, leading you through lush meadows and deep forests. As you approach the lakes, you'll be greeted by the pristine Boulder and Little Boulder Lakes, framed by impressive white granite walls.

Is the Boulder Lake Trail suitable for beginners or families?

Yes, this trail is considered one of the easiest and most popular in the Trinity Alps, making it an excellent choice for beginners and families. Its moderate length and relatively easy difficulty grade ensure an enjoyable experience for most skill levels.

Where is the trailhead for the Boulder Lake Trail and what are the parking options?

The Boulder Lake Trail is located within the Shasta-Trinity National Forest in California, specifically in the Trinity Alps Wilderness. While specific parking details for this trailhead are not provided, access to wilderness areas typically involves designated parking lots near the trail entry points. It's always advisable to check local forest service websites for the most current information on trailhead access and parking.

Are dogs allowed on the Boulder Lake Trail?

Yes, dogs are permitted on the Boulder Lake Trail. Please ensure your dog is kept on a leash and that you practice Leave No Trace principles by packing out all waste to help preserve the natural beauty of the wilderness.

Do I need a permit or is there an entrance fee for the Trinity Alps Wilderness?

For day hiking in the Trinity Alps Wilderness, a permit is generally not required. However, if you plan to stay overnight, a wilderness permit is necessary. Additionally, a California Campfire Permit is required for any open fires or stoves. Always check the official Shasta-Trinity National Forest website for the most up-to-date regulations before your visit.

What is the best time of year to hike the Boulder Lake Trail?

The best time to hike the Boulder Lake Trail is typically from late spring through early fall, when the weather is most favorable and the trail is generally snow-free. During late spring and early summer, the meadows are vibrant with wildflowers, while fall offers cooler temperatures and beautiful foliage.

Can I swim or fish in Boulder Lake?

Yes, both Boulder Lake and Little Boulder Lake are described as ideal for fishing or swimming. These pristine alpine lakes offer a refreshing reward after your hike, set against a backdrop of white granite walls.

Does the Boulder Lake Trail connect with other hiking paths?

Yes, the Boulder Lake Trail serves as a gateway to other trails deeper into the Trinity Alps Wilderness. The Komoot route for this trail primarily follows the Boulder Lake Trail (85% of the route) and also includes sections of the Little Boulder Lake Trail (41%) and the Tracy Trail (6%).

Are there opportunities for overnight camping at Boulder Lake?

Yes, there are approximately six good campsites available at Boulder Lake for those wishing to extend their visit into an overnight stay. Remember that a wilderness permit is required for overnight camping in the Trinity Alps Wilderness.

What kind of wildlife might I encounter on the Boulder Lake Trail?

While specific wildlife sightings are not guaranteed, the diverse habitats of the Shasta-Trinity National Forest, including deep forests and meadows, support a variety of animals. Hikers might spot deer, various bird species, and smaller mammals. Always be aware of your surroundings and maintain a respectful distance from any wildlife.

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