Onondaga Cave State Park — RV Camping in Missouri, US

Onondaga Cave State Park is a stunning natural retreat in Leasburg, Missouri, designated as a National Natural Landmark for its remarkable underground geology. The park is home to one of Missouri's most celebrated caves, featuring towering stalagmites, dripping stalactites, and active flowstones that draw visitors from across the region. Situated along the scenic Meramec River, the park offers a diverse range of outdoor activities including guided cave tours, canoeing, fishing for bass and catfish, hiking, and wildlife observation. The campground is well-equipped with electrical hookups (including 50-amp service), water hookups, pull-through sites, showers, restrooms, laundry facilities, a dump station, picnic tables, grills, and a playground — making it an ideal base camp for families and RV travelers alike. Firewood is available on-site for cozy evenings under the Ozark sky. The Vilander Bluff Natural Area provides panoramic views over the Meramec River Valley, adding to the park's scenic appeal. Whether exploring Missouri's underground wonders or relaxing beside the river, Onondaga Cave State Park delivers an unforgettable experience in the heart of Missouri's Cave State. Reservations can be made through the Missouri State Parks online system.