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Black Chasm Cavern

Volcano Road, 15701 Pioneer Volcano Rd., Pine Grove, CA 95689, Pine Grove, CA 95689
+1 866-762-2837
Review Highlights
Great Underground Viewings

A nice place to be on a hot summer day. The cave stays at a constant 58 degrees year round. Cool... read more

Reviewed 12 December 2017
Good cavern to start with if you're claustrophobic

And I am claustrophobic! My wife really wanted to see some caverns and I wanted to oblige but was... read more

Reviewed 20 November 2017
Jeff G
San Jose, California
Read all 97 reviews
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Black Chasm was named a National Natural Landmark in 1976 by the National Park Service for its outstanding displays of rare helictite formations. The 50-minute guided walking tour descends a series of stairs and walkways that loop around the formation covered caverns walls. Here, flowstones interspersed with stalactites, draperies and helictites compete for space above the stairways. Above ground activities: gemstone mining, nature hike, picnic tables. School program available. Open every day, year round.
  • Excellent58%
  • Very good31%
  • Average9%
  • Poor1%
  • Terrible1%
Travellers talk about
“gift shop” (17 reviews)
“cave tour” (5 reviews)
“great tour” (4 reviews)
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Hours Today: 11:00 AM - 3:00 PM
Volcano Road, 15701 Pioneer Volcano Rd., Pine Grove, CA 95689, Pine Grove, CA 95689
+1 866-762-2837
Write a ReviewReviews (97)
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1 - 10 of 97 reviews

Reviewed 12 December 2017

A nice place to be on a hot summer day. The cave stays at a constant 58 degrees year round. Cool formations to see. Guides are very knowlegeable, lots of stairs and some fairly narrow places to walk through. Not too friendly for people with...More

Thank dparis
Reviewed 20 November 2017

And I am claustrophobic! My wife really wanted to see some caverns and I wanted to oblige but was reluctant. So I read lots of reviews and looked at photos and based on that I decided to try this one. I'm so glad I did!...More

Thank Jeff G
Reviewed 4 November 2017

Nice welcome from Mike. Tour guide Heather was excellent. One of the few places in the world having halactites,which are sideways- growing stalactites! Several beautiful rooms. We had a great tour round this lovely cavern. We don't mind heights so had an excellent time.

Thank Martin P
Reviewed 22 October 2017

My husband and I visited here on an adult-education bus tour from nearby Rocklin. Despite spending more time on the bus going and returning than we did actually at the Cavern, we were still REALLY glad we went. The cavern is a one-of-a-kind place, with...More

Thank GVGenGal
Reviewed 2 October 2017

The Black Chasm Caves and Caverns is probably one of the most unique trips and tours that I've ever done in my lifetime, and I've done a lot. This trip does require some foot/leg work, as it's a unique entrance into the cavern (You will...More

Thank Rachel C
Reviewed 2 October 2017

Anyone exploring the Volcano area should include some time to visit Black Chasm. How often do you get a chance to follow a knowledgeable person through a small door hole and find yourself in beautiful caves? Easily paired with lunch at the General Store or...More

1  Thank Barbara E
Reviewed 17 August 2017

There was a group of 8 of use that went on the cavern tour. Pretty easy access. I'm afraid of heights, but had minimal issues due to the good walkways, stairs and railing. Well worth sucking up my fear and being able to experience the...More

Thank paulette4843
Reviewed 16 August 2017

The gift shop sits on top of the cavern below. Nice shop with lots of souvenirs. 15 steps down to the cavern entrance, then 165 steps down into the cavern. It's well lighted. Your guide describes all the formations and is usually a small group...More

Thank Regina M
Reviewed 28 July 2017

We have been on a few cave tours, Black Chasm is on the top of the list. Our guide, Drew, was great! Very knowledgable, personable, and fun. Took the time to answer all questions and explain the history and formation of the caves. Highly recommend...More

Thank john b
Reviewed 23 July 2017

The tour was just a walk down into a cave, where the tour guide spent at least 15 minutes explaining how the stalactites grow upwards. Pretty boring, actually. Children under 12 might have a hard time standing still or keeping quiet while the tour is...More

Thank Retrohippie
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Questions & Answers
2 April 2017|
AnswerShow all 2 answers
Response from Neeraj B | Reviewed this property |
I don't see any hiking trail near by. Dogs wont be allowed in Cavern.
15 July 2015|
AnswerShow all 3 answers
Response from JoanElaine1947 | Reviewed this property |
Yes, a light jacket is called for and sneakers are a must. Steps can be damp from cave moisture and it is a 'climb' up and down. (although your guide offers ample stops while describing cave wonders)
Cameron R
8 January 2015|
AnswerShow all 4 answers
Response from EaganCox | Reviewed this property |
Touring the cavern is the main attraction. As a former school librarian who has been on numerous field trips... I advise not taking children younger than middle-school age. The reason being is that the passage ways and... More