Weldon Spring Hollow Natural Area features 385 acres of upland and bottomland forest, and rugged riverbreaks topography. Other features include limestone cliffs and bluff escarpments.
Hikers and mountain bikers should delight in what Weldon Spring Conservation area has to offer. The Lewis and Clark Trail affords hikers either a five-mile or eight-mile loop, either which involves a few challenging hills and superb overlooks of the Missouri River. An intermittent stream and nice assortment of both ridgetop and bottomland environments make for a varied experience. The 10-mile Lost Valley trail invites hikers and mountain bikers for a more extended journey. There are also connectors to the Katy Trail. Boaters have a large boat ramp that puts them into the Missouri River for tremendous big river fishing. Both Fire and Prairie Lakes give anglers a good chance at catfish, crappie, sunfish, black bass, and white bass.