along the trail             Terminal Geyser (really a fumerole) & warm creek               blooming Spirea next to Willow 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
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Willow Creek in-and-back

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

length:  4.4 miles (some semi cross-country)

elevation gain:  450'

elevation range:  5400-5800'

rules: Lassen National Forest & Lassen National Park


Avenza version

Adobe PDF version

current weather forecast

The National Park Service wants hikers to pass through their entrance stations to pay a fee and receive the rules. This trail avoids entrance stations by starting in the National Forest.  As a consequence, the Park Service has abandoned maintenance on the trail.

But the trail users have kept it open.  It is a gorgeous backdoor way to visit Terminal Geyser (not a geyser, there are none in Lassen.  It is a fumarole).

Willow Lake and the adjoining marshlands are rich in birdlife, including  a few Sandhill Cranes.

The route-finding is tricky, so the Avenza version of the maps is recommended for your iPhone or Android.