Yellow pond-lilies at west end Horseshoe Lake             trail junction near Lower Twin Lake               Rainbow Lake

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We hike the trails of Lassen National Park and Caribou Wilderness.  Our maps are free to you, the hiker.


Sacramento Valley
Hiking Conference


Rainbow Lake loop

season:  Aug-Oct (snow Nov-June, mosquitos July)

length:  13.4 miles

elevation gain:  1700'

elevation range:  6100-7000'

rules: Lassen National Park

trailhead map

hike map


current weather forecast

A long, remote hike to some of the best lakes for camping in the Lassen backcountry, Swan and Lower Twin Lakes.

Rainbow Lake is the most remote area in the Lassen region, tied with a spot on the Jakey Lake loop.  Usually you will see a few other hikers, particularly at Twin Lakes, but crowds are non-existent here.

This is one of the best long loops, with a good variety of scenery.