trailmarkNational Parks passport

U.S. NATIONAL PARK · EST. 1916

Lassen Volcanic

CA

Boiling mud pots, fumaroles and all four volcano types in one park.

Add it to your mapExplore all 63 parks

Trail series Lassen Volcanic counts toward 3 named sets on Trailmark: The Volcano Line, The California Nine and The First Fifteen. Finish a set and it stamps complete on your map.

Lassen Volcanic is one of the 63 U.S. National Parks — first designated in 1916, in CA. Been there? Tap it onto your Trailmark map and watch your collection, progress ring and percentile grow. Free, for fun — your map saves and keeps growing trip after trip.