Geologic Walk Through Time Interpretive Trail
Visitor centers
Along the way Kohm Yah-mah-nee Visitor Center
Trailhead Mill Creek Falls Trailhead 6,713 ft Drive there
Lassen Volcanic National Park · California
Visitor centers
Along the way Kohm Yah-mah-nee Visitor Center
Trailhead Mill Creek Falls Trailhead 6,713 ft Drive there
The lines are the National Park Service's public trails layer, the trailheads and the waterfalls, views, peaks and historic places along them the Service's public points of interest, read 2026-10-16 and simplified for the map; the length is the line's, end to end. The write-ups are the Service's own "things to do" text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the park's own site before you go.