National Park & Nature

Lassen Volcanic National Park

📍 Lassen Volcanic National Park, CA, USA

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4.2/ 5.0

★★★★☆

Introduction

Lassen Volcanic National Park is a unique volcanic geological park in northern California. With the world's largest plug dome volcano (Lassen Peak), it features boiling mud pots, fumaroles, sulfur springs and clear alpine lakes — a little-known but valuable volcanic treasure. Lassen Peak (3,187 m) — world's largest plug dome; erupted 1914-1917 (most recent eruption in the lower 48). Bumpass Hell — the park's largest geothermal area with boiling mud pots and colorful sulfur springs. Sulphur Works has roadside fumaroles. Clear alpine lakes and forests. Less crowded, a quiet volcanic destination. Visiting for Bumpass Hell's boiling mud is a unique California volcanic experience.

✨ Highlights

Bumpass Hell

Largest geothermal area — boiling mud and colorful sulfur springs.

Lassen Peak

World's largest plug dome volcano; erupted 1914-1917.

Volcanic geology

Fumaroles, sulfur springs and mud pots.

Less crowded

A quiet, unique volcanic national park.

🛈 Practical Info

→Bumpass Hell：Must-see; about 5 km round-trip trail.

→Season：Summer (Jul-Sep) best; snow may block roads.

→Tickets：Buy a 7-day national park pass.

→Combine：Pair with Mt. Shasta and northern California.

→Less crowded：Quiet park for those seeking peaceful experiences.

💡 Tips

• Bumpass Hell is a must-see; ~5 km round-trip trail.

• Summer (Jul-Sep) best; snow may block roads.

• Pair with Mt. Shasta and northern California.

• Opening, admission and road conditions are subject to NPS official notice.

FAQ

Any practical tips for visiting Lassen Volcanic National Park?

Bumpass Hell is a must-see; ~5 km round-trip trail. Summer (Jul-Sep) best; snow may block roads.

Information on this page is compiled from public sources. Opening hours, ticket prices and other details may change — please verify with official sources before your visit.