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San Francisco Lassen Volcanic National Park Tour

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  • San Francisco
  • Updated November 2, 2026

Explore Lassen’s volcanic scenery on a private San Francisco day tour, with a guide, Sulphur Works, Bumpass Hell, and a scenic lunch stop.

About this tour

Trade San Francisco’s city streets for the volcanic landscapes of Lassen Volcanic National Park on a private day tour. With a professional guide and private transportation, explore a remarkable region shaped by all four types of volcanoes and dotted with vivid geothermal features.

Visit Sulphur Works to see bubbling mudpots and steaming fumaroles, then follow a scenic 3-mile boardwalk to Bumpass Hell, the largest hydrothermal area in the Cascade Range. Along the way, take in colorful acid pools and boiling mud. A lunch stop at a picturesque location, such as Manzanita Lake or Lake Helen, offers time to relax amid the scenery. National Park entry fees, bottled water, pickup and drop-off, and an air-conditioned vehicle are included.

Discover the dramatic geology and fresh mountain scenery of Lassen Volcanic National Park on a private outing from San Francisco. Book your tour for a day among California’s most memorable natural wonders.

Highlights

  • Explore Lassen Volcanic National Park’s striking volcanic landscapes
  • See bubbling mudpots and steaming fumaroles at Sulphur Works
  • Walk the scenic 3-mile boardwalk to Bumpass Hell
  • Admire vivid acid pools and boiling mud in the Cascade Range’s largest hydrothermal area
  • Pause for lunch at a scenic spot

What's included

Included

  • Private transportation
  • Bottled water
  • Pickup and drop-off
  • Air-conditioned vehicle
  • National Park entry fees
  • Professional tour guide

Not included

  • Tips and gratuities
  • Food and drinks

Ratings on each provider

The ratings and review counts each booking site shows for this tour.

Important information

  • Infants and small children can ride in a pram or stroller
  • Specialized infant seats are available
  • Public transportation options are available nearby
  • Suitable for all physical fitness levels

How this score is calculated

This tour has no TourTruth score yet: Viator doesn't show a usable rating for it. It gets a score as soon as a provider lists one.

How the score works
  • Each provider rating is turned into a percentile: the share of that provider's ratings it beats, weighted by review counts.
  • Listings on different providers are combined in proportion to their review counts.
  • Tours with few reviews are pulled toward the average until more reviews come in, so a handful of perfect reviews can't top the list.
  • The result is shown from 0 to 10. Tours without a usable provider rating are not scored.

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