Start your spelunking adventures at Onondaga Cave State Park, located a few minutes outside of town. Lighted pathways and guided tours make it easy to experience the grandeur of this cavern, where a river flows through the dramatic structures. Above ground, the Meramec River extends the recreational opportunities, as do the trails through the surrounding woodlands. The park’s highly-rated campground features basic and water/electric sites for both tents and RVs. You can also explore different options for camping near Leasburg on Hipcamp.