Black Chasm Cavern, National Natural Landmark

08/24/2026

Black Chasm Cavern is part of the Fair Week Photo Challenge! 📸🎪

Come explore Amador County, snap a selfie at the participating locations, and share your adventure using:



We can’t wait to see your Black Chasm Cavern selfies!

⭐️🎪 Who's ready for the Amador County Fair? The Amador County Chamber of Commerce invites everyone to take the Fair Week Photo Challenge, next week! As a reminder to "be a tourist in your own hometown," next week you are encouraged to find the 10 numbered locations at the bottom of the graphic here, take a selfie at those locations, then post your photos here and tag either or ! Let's have fun together next week!

Knight Foundry Kennedy Gold Mine Preston Castle Black Chasm Cavern, Visit Sutter Creek Visit Jackson California City of Plymouth, California - Government Lake Amador Resort Ione Business and Community Association

07/03/2026

❤️🤍💙 Red, White & COOL! 💙🤍❤️

Looking for the perfect Fourth of July weekend adventure?

Beat the summer heat and explore Black Chasm Cavern, where it's a refreshing 58° year-round! Discover breathtaking white helictites, towering formations, and an unforgettable underground lake on a guided walking tour.

✨ Fun for the whole family
❄️ Naturally cool 58°
📸 Incredible photo opportunities
🌲 A unique Gold Country adventure

🎆 Fourth of July Weekend Holiday Hours
📅 Friday–Sunday
🕘 Open 9:00 AM – 6:30 PM
🎟️ Last tour departs at 6:00 PM

Skip the heat and celebrate Independence Day beneath the surface!

📍 Black Chasm Cavern • Volcano, CA

06/04/2026

✨ Explore a National Natural Landmark This Cave Week! ✨

This Cave Week, discover one of California's most incredible underground treasures at Black Chasm Cavern!

Step into a world of stunning formations, towering chambers, and the rare crystal-white helictites that make Black Chasm Cavern a designated National Natural Landmark.

✨ See rare helictites found in only a few caves worldwide
✨ Explore breathtaking underground rooms
✨ Learn the fascinating history and geology of the cave
✨ Enjoy a cool 58° cave adventure year-round

Whether you're a first-time visitor or returning to experience the magic again, there's no better time to visit than Cave Week!

📍 Volcano, CA
🕙 Open 7 Days a Week | 10 AM–4 PM
📞 Call 209-822-3957
🌐 Book online at cavetouring.com

Leave the heat behind and discover why some of California's most incredible wonders are hidden underground.

05/21/2026

🇺🇸 MEMORIAL DAY WEEKEND ADVENTURE AWAITS 🇺🇸

Looking for something different this Memorial Day Weekend? Step underground at Black Chasm Cavern and explore one of California’s most incredible hidden wonders!

✨ See rare, gravity-defying helictites
✨ Guided cavern tours for all ages
✨ Cool underground temperatures

Whether you’re road-tripping, escaping the heat, or making holiday memories with family, Black Chasm is the perfect stop for adventure and awe.

📍 Volcano, CA
📞 209-736-2708
🌐 cavetouring.com

Tours fill fast on holiday weekends — plan ahead!

04/02/2026

🐣🌸 Easter Weekend Adventure Awaits! 🌸🐣

Looking for something egg-stra special this Easter?
Skip the ordinary and explore underground at Black Chasm Cavern

Step into a hidden world of sparkling formations and rare, twisting helictites you won’t see anywhere else ✨

🌼 Open Easter Weekend
🕳️ Guided tours throughout the day
👨‍👩‍👧‍👦 Perfect for families, friends & spring break fun

Make it a weekend to remember—above ground is overrated 😉

🎟️ Plan your visit: cavetouring.com

03/17/2026

🚨 March 27, 2026 🚨
California Cavern is back.

Opening day is almost here!
March 27, 2026 10 am - 4 pm

📍 Reservations recommended
📞 209-822-3957
🌐 cavetouring.com

02/23/2026

Step into the hidden side of California.
Open Thursday–Sunday | 10am–4pm
cavetouring.com

02/09/2026

Plans for Valentine’s Day? ❤️
If not… Step into a place where love is written in stone.

Follow your heart deep into Black Chasm Cavern and discover nature’s own Valentine — a glowing heart inside the cave. Share a moment, hold hands, and if you’re lucky… you might receive a Cave Kiss 💫 — a tiny drop of water said to bring love and good fortune.

🕯️ Open 10am–4pm
📍 Black Chasm Cavern

01/14/2026

A day of remembrance.
A weekend for discovery.

This Martin Luther King Jr. Day, take time to slow down and explore one of California’s most extraordinary natural spaces — cool, calm, and unforgettable beneath the surface.

🕳️ Guided walking tours all weekend
📅 Open Monday for Martin Luther King Jr. Day
⏰ 10:00 AM – 4:00 PM
➡️ Book your visit at cavetouring.com

12/31/2025

Celebrate the New Year underground ✨

Black Chasm Cavern is OPEN
🎉 New Year’s Eve & New Year’s Day
🕙 10am–4pm

As you explore the cavern, you might receive a Cave Kiss!
A natural drop of water from the cave that’s said to bring good luck in the year ahead.

Walking tours run throughout the day, rain or shine.
➡️ Book at cavetouring.com