Boulder Lake, Trinity Alps

An easy, 1.9 mile from the Trailhead to Boulder Lake makes it on of the Trinity Alps perfect “first backpacking” trip and day hike destinations.

There-and-back trail
Yes, it is dog friendly!
Distance: 4 – 6 miles (roundtrip)
Approx. Time: 1.5 hours
Difficulty: Easy
Seasons: Spring, Summer, & Fall
Maps are available at the Visitors Center in Weaverville

Trail directions

After meandering a very slight uphill you will find yourself at a Y. Take a right to Boulder Lake or a left to Little Boulder Lake and make sure to keep a lookout for views of Mount Shasta. It is roughly a 1 mile hike between the lakes.

Boulder Lake has about 5 to 6 campsites, while Little Boulder Lake also has camping areas, but is slightly less established. There is also additional camping spots at the trail head.

From here it is also possible to continue Tapie Peak and/or the Lost and Found Lakes.


The Trinity Alps National Forest is completely dog friendly! All dogs must be under voice command unless the area states leashes required. Be aware that there is lots of wildlife in the park… So use your best judgment.

Driving Directions

In downtown Weaverville, take a right turn (if headed north) onto North Highway 3 and continue for 40 miles. Turn left onto Forest Road 37N52. If you hit Coffee Creek Road you have gone too far (about .25 miles south is 37N52). Continue on this road for about 3.5 miles. Then take a right onto 37N53 and continue for another 7.5 miles to the trailhead.

Be aware that most of the Forrest Road is unpaved, but can be carefully done in a 2×2 car.

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