Arnold HavenArnold · California
Moaning Caverns

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Moaning Caverns

Whether you're intrigued by the eerie moaning sound, captivated by the subterranean landscapes, or seeking adventure through rappelling, the Moaning Caverns have something to offer every visitor.

First things first

An Underground World

The Moaning Caverns are part of a complex karst cave system, a term used to describe a landscape shaped by the dissolution of soluble rocks like limestone or marble. This process occurs over thousands of years as rainwater becomes slightly acidic by absorbing carbon dioxide from the atmosphere, dissolving the rock as it percolates through the ground.

Moaning Caverns
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What to See at the Moaning Caverns

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Upon entering the cave, visitors are greeted by the breathtaking Grand Chamber. This colossal space, large enough to accommodate the Statue of Liberty, leaves visitors in awe of nature’s artistic prowess. Stalactites hang from the ceiling while stalagmites rise from the floor, forming a surreal, otherworldly landscape.

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One of the most famous features of the Moaning Caverns is the Bottomless Pit. While it may not be truly bottomless, its depth of 165 feet (50 meters) creates an illusion of endlessness. Brave visitors can peer over the edge and experience the exhilarating feeling of staring into the abyss.

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Deeper into the cave lies the Crystal Palace, a hidden treasure of glittering calcite formations. This chamber showcases the delicate and intricate beauty of nature’s geological artwork.

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As you explore the caverns, you’ll undoubtedly encounter the mysterious moaning sound. This auditory wonder is a testament to the cave’s unique acoustics, created by the vast chambers and passages.

What to See at the Moaning Caverns
What to See at the Moaning Caverns
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STAY AT ARNOLD HAVEN

Our cabins are only a 20 min drive from the Moaning Caverns Adventure Park.

STAY AT ARNOLD HAVEN
STAY AT ARNOLD HAVEN
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The Origins of the Moaning Caverns

The history of the Moaning Caverns dates back millennia, with evidence suggesting that indigenous people used the cave for various purposes, including rituals and shelter. However, the first recorded exploration of the cave took place in 1851 when Captain Joseph Taylor and Walter J. W. Taylor ventured into its depths. It was during this exploration that the eerie moaning sound, for which the cave is named, was discovered. The moaning is caused by the wind entering and exiting the cave, creating a haunting symphony that echoes through its chambers.

Over the years, the cave has been the subject of scientific study, attracting geologists and spelunkers alike. In 1927, a group of explorers led by Jack Mitchell mapped out the cave’s intricate passages, revealing its true extent. The Moaning Caverns have since become a popular destination for tourists and adventure seekers.

The Origins of the Moaning Caverns
The Origins of the Moaning Caverns

Gallery

Moaning Caverns in pictures

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Nearby

Keep exploring

Stay nearby

Vacation rentals near Moaning Caverns

Moaning Caverns is a straightforward drive down Highway 4 through Murphys, which makes it an easy half-day from either cabin. Looking for places to stay near Moaning Caverns? Arnold Haven has two dog-friendly cabins — a five-bedroom A-frame chalet that sleeps 12 and a two-bedroom loft that sleeps 4. Minimum stay is 2 nights, check-in is at 3pm and check-out at 11am.

Check-in
Self check-in, 3pm
Cancellation
5 days notice, full refund

Check live availability, see your full price, and book securely — ID check and payment are handled by Stripe.

Good to know

Frequently asked questions

How much does it cost to go to Moaning Caverns?+

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Why does Moaning Caverns moan?

Moaning Cavern distant moaning sound is created by drops of water that fall into holes in a flowstone formation with a bottle-like shape.+

Why is it called Moaning Caverns?

Moaning Caverns got its name for the moaning sounds that emanate from its entrance.+

How long is the tour of Moaning Caverns?

The main tour lasts about 45 mins.+

Can you still rappel at Moaning Caverns?

As of 2017, the rappel has been closed with no expected reopening date.+

How many stairs are in Moaning Caverns?

There are 144 stairs.+

How deep is moaning caves?

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