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
Willow Lake and the adjoining
marshlands are rich in birdlife, including a few
The route-finding is tricky,
so the Avenza version of the maps is recommended for your
iPhone or Android.