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St. Louis' Secret Cave Network Beneath The Gateway City

Published:

Modified: 5 October 2026

by Joelynn Iverson

St. Louis' Secret Cave Network Beneath The Gateway City

Beneath St. Louis lies a network of caves and tunnels that has served brewers, speakeasies, and even mushroom farmers. These aren’t just natural formations—some were carved by hand or repurposed for industry, and each has its own story tied to the city’s past.

St. Louis’ Hidden Underground World

St. Louis, known for its iconic Gateway Arch, holds a secret beneath its bustling streets. A network of caves and tunnels lies hidden. These subterranean wonders have fascinating histories and unique features.

1. Lemp Brewery Caves

The Lemp Brewery Caves once stored beer for the Lemp family, one of the most influential brewing families in the 19th century. Today, they offer a glimpse into the past and a touch of mystery.

2. Cherokee Cave

Cherokee Cave, located beneath the Cherokee Street district, is a natural wonder with a rich history. It was once a popular tourist attraction and even housed a speakeasy during Prohibition. The cave’s stunning formations and historical significance make it a fascinating destination.

3. Crystal City Underground

Crystal City Underground is a massive cave system that has been repurposed for modern use. This unique venue hosts concerts, sporting events, and even boat tours. The cave’s sheer size and versatility make it a standout attraction in the St. Louis area.

4. Meramec Caverns

Meramec Caverns, located just outside St. Louis, is one of the most famous cave systems in the region. Known for its stunning formations and colorful history, including tales of Jesse James, this cave offers guided tours that showcase its natural beauty and storied past.

5. Cliff Cave

Cliff Cave, situated in Cliff Cave County Park, offers a mix of natural beauty and historical intrigue. The cave was used by Native Americans and later by settlers for various purposes. Today, it provides a serene escape with scenic trails and fascinating cave tours.

6. English Cave

English Cave, though less known, holds a unique place in St. Louis’ underground history. It was once used as a beer storage facility and later as a mushroom farm. The cave’s cool, consistent temperature made it ideal for these purposes, and it remains a hidden gem.

7. Cave Vineyard

Cave Vineyard, located in Ste. Genevieve, combines the allure of wine tasting with the intrigue of cave exploration. Visitors can enjoy a glass of wine in the cave’s tasting room. The cave’s natural ambiance adds to the charm of this destination.

Hidden Wonders Await

St. Louis’ secret cave network offers a unique adventure beneath the city. These hidden gems provide a glimpse into the past, showcasing natural beauty and historical significance. Exploring these caves can be a thrilling experience, whether you’re a history buff, nature lover, or just looking for something different.

Remember to bring a flashlight, wear sturdy shoes, and respect the environment. Guided tours are available for those who prefer a more structured experience. Don’t forget to check out the Missouri Mines State Historic Site and the Meramec Caverns for more underground wonders.

Next time you’re in St. Louis, take a break from the usual attractions and venture underground. You might just find a new favorite spot. Happy exploring!