Explore the past on the Buried Forest Concretions Trail, a 1.7-mile out-and-back hike that takes you through the Cretaceous Western Interior Seaway. Along the way, admire fascinating fossils eroding from the sandstone cliffs. With a manageable 200 feet of elevation gain, it’s an ideal trail for hikers of all levels. Open year-round and free to visit, this trail is just a 70-minute drive from NMRV.