Mammoth Cave Railroad Bike and Hike Trail - South

This old railroad bed turned multi-use path rolls out like a green tunnel through Kentucky hardwood forest, following the route where trains once hauled tourists to Mammoth Cave. The crushed-gravel surface is flat enough that you could push a stroller on most of it — this is about as mellow as hiking gets. Starting from the south park entrance, you'll wind through dense stands of oak and hickory, crossing a handful of small bridges over seasonal creeks. The forest canopy keeps things shady even in the dead of summer, and you might spot white-tailed deer browsing just off the trail edge. There's no dramatic summit or overlook here — the payoff is the quiet itself, the sensation of walking through deep woods on a perfectly graded path with zero route-finding stress. Perfect for runners, families with young kids, or anyone who wants forest time without the grunt work.