Explore Meramec Caverns: Guided Cave Tours, Zipline & River Adventures
Discover Missouri’s largest commercial cave in Sullivan — tours, motel stays, RV sites, campgrounds, ziplines, and float trips for every outdoor traveler.
Featured Experiences at Meramec Caverns
Guided Cavern Tours, Caveman Zipline, float trips, motel lodging, and a range of campground and RV sites.
About Meramec Caverns
Meramec Caverns in Sullivan, Missouri, is a long-established tourist attraction offering guided cavern tours, lodging, campground facilities, and river experiences. The site is home to Missouri's largest commercial cave and features rare underground formations showcased on the guided Cavern Tour and the iconic Theatre Room Light-Show. Visitors can book historic cave tours that highlight geology, cave history, and notable formations.
Beyond the cave, Meramec Caverns operates the La Jolla Natural Park motel and campground. Motel rooms include double and triple bed options with mini fridges and microwaves; a pet-friendly double room option is available seasonally. Campground choices range from primitive tent sites to electric sites suitable for RVs with up to 50 amp service, with sites numbered for reservation.
Seasonal outdoor experiences include guided float trips down the Meramec River, where families can canoe or raft to the caverns, and the Caveman Zipline, a guided zipline course with multiple sky-bridges and high-speed runs. Amenities at the park include shaded picnic areas, riverfront sites, barbecue pits, playgrounds, and restrooms.
Meramec Caverns maintains a focus on safety and visitor information through guided experiences and staffed facilities. Operating seasons and amenities are clearly posted for motel stays (April–October) and outdoor activities. As a long-running commercial attraction in Sullivan, Meramec Caverns combines natural geology, family accommodation, and outdoor recreation to deliver reliable visitor experiences throughout the season.
On-site staff provide directions, safety briefings, and ticketing; reservations are recommended for popular experiences and lodging during peak summer and holiday weekends for accurate availability and planning.
Plan Your Visit to Meramec Caverns
Reserve a Cavern Tour, Caveman Zipline run, float trip, motel room, or campground site—check seasonal availability and book ahead.