Caves and Mines

Black Chasm Cavern Pine Grove

Where is it at?

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Black Chasm Cavern
15701 Pioneer Volcano Road
Pine Grove
CA
95689
Tel: 866 762 2837

Where are we going today?

Did you know that the Black Chasm Cavern was designated a National Natural Landmark back in 1976? That's because it is considered a "nationally significant natural area" - and so well worth the visit!

This natural wonder in California was created over millions of years, and boasts a number of impressive and enchanting formations that kids will think they are right out of a fairy-tale. 

Those iconic stalactites and stalagmites fill the caves, as do flow-stones. However, it's the rare helictite crystals which the Black Chasm Cavern are famous for - so make sure you keep an eye out!

The walking tour is lit, warm and suitable for all ages, with environmentally friendly observation platforms and walkways

In addition to the tours, there is the Labyrinth Tour. This is a physically challenging, yet fun surface tour where you can explore the stunning rock outcroppings in the forest surrounding the cavern. Perfect for kids over 8 years and is great for about 3 hours of entertainment!

Here, you can hike, climb, crawl and slide under and over those mammoth rock sculptures that were created over 100 years ago! These occurred when the gold miners use hydralic mining techniques, and washed away the soil exposing the rock underneath.

If you are uncomfortable with being underground, or had a great time and want the fun to continue, the Black Chasm Cavern has above ground fun too! Adults and kids alike love the gemstone mining - there's always excitement when you find that first sparkling gem! The water flumes are right outside the Visitors Center, and everyone is guaranteed to find a REAL gemstone! Great for starting that rock collection!

Don't forget to visit the Visitors Center too! Here you can find all the information you need on the history of the mines, and the mining itself. 

Are you ready for an adventure!?

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How much does it cost?

  • Adults$15.95 Walking Tour (Over 13)
  • Children$8.50 Walking Tour (3 to 12)
LAST UPDATED 2015

When can we go?

9am - 5pm Summer. 10am - 4pm Fri to Tues in Winter

Closed Wed and Thurs in winter. Open all year round.

Any Top Tips?

The Labyrinth Tour is 3 hours long, for over 8s, and is $79 per person..

Doing our bit

They love to keep you safe, so they have helmets and well lit paths for some of the tours and experiences.

Need a little extra help?

If you have special needs, just give them a call to see how they can help, and what experiences would be suitable for you .

Can I get one of those?

You can certainly take anything home that you find when panning for gemstones!.

More information

They sometimes have seasonal events so keep an eye out for these!.

What people are saying?

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    Pretty Cool Place. Tour was way shorter than expected. I sure would love to go deeper down into that cave...down to the underground lakes.

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    Simply amazing! A very unique cave with very knowledgeable staff to guide you. We loved it and will definitely be back!

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    This is a relatively small cavern for public viewing as compared to the tours you get with California Cavern. However, the guides do a nice job explaining the history and formations. I felt our guide was kind of rushing through. I would have liked to hung out just a few more minutes down there. Really nice crystal formations. Steep stairs, but that is to be expected.

    The slough set up for mining is nice. Kids had fun finding all the special rocks.

    The hike you can take among the boulders that were left from from the mining there is kind-of...Read More

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    We loved the guide that took us on the tour. It was very fun and educational.

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    I was in this Cavern in January 2003; perhaps it has been enlarged since then. I believe I've been in all of the caverns in California; this one is one of the shortest -- especially compared to California Caverns & Mercer Cavern in Murphys. It has fewer & easier stairs than Mercer, which is good if you have small children. Unlike Crystal Cave in Sequoia Nat'l Park, w/ its 1/2 mi. hike down a steep trail, it is a relatively short walk from the parking area, w/ drinking water & restrooms--great to have in such a hot area in the Summer & Fall. HOWEVER,...Read More

Submit a review

by Jennifer Grace

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This is a relatively small cavern for public viewing as compared to the tours you get with California Cavern. However, the guides do a nice job explaining the history and formations. I felt our guide was kind of rushing through. I would have liked to hung out just a few more minutes down there. Really nice crystal formations. Steep stairs, but that is to be expected.

The slough set up for mining is nice. Kids had fun finding all the special rocks.

The hike you can take among the boulders that were left from from the mining there is kind-of surreal. We had such an amazing time with our imaginations and the stories we could make up based on the rocks, trails, tunnels, etc. I can foresee spending all day exploring those rocks as a kid. It's not a long trail through there, but if you take your time and pay attention to all the details, you can spend a couple hours just there.

by Lyn Dearborn

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I was in this Cavern in January 2003; perhaps it has been enlarged since then. I believe I've been in all of the caverns in California; this one is one of the shortest -- especially compared to California Caverns & Mercer Cavern in Murphys. It has fewer & easier stairs than Mercer, which is good if you have small children. Unlike Crystal Cave in Sequoia Nat'l Park, w/ its 1/2 mi. hike down a steep trail, it is a relatively short walk from the parking area, w/ drinking water & restrooms--great to have in such a hot area in the Summer & Fall. HOWEVER, this video should be redone -- w/out the whining kid in the background, & actually finish what was being said -- with more adjectives than just "gorgeous". Adding a Sr. Discount would be appreciated.

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