National Park Guide

Lassen Volcanic Field Guide

A complete planning guide to Lassen Volcanic National Park. Covers the park's rare mix of all four volcano types (shield, plug dome, cinder cone, and composite), boardwalk safety at hydrothermal areas like Bumpass Hell and Sulphur Works, the 1914-1917 eruptive period and the Devastated Area it left behind, best hikes including the Lassen Peak Trail and Cinder Cone, camping and lodging at Manzanita Lake and beyond, and seasonal road closures on the park's main route, SR 89.

What's inside

• ✓Safely exploring Bumpass Hell, Sulphur Works, and the park's boiling hydrothermal areas
• ✓The science behind Lassen's rare four volcano types and its 1915 eruption
• ✓Best hikes: Lassen Peak Trail, Cinder Cone, Kings Creek Falls, and more
• ✓Seasonal road closures on SR 89 and when the park is actually accessible