Mammoth Cave National Park · Kentucky

Sal Hallow Trail

8.6 mi of trail, end to end · about 650 ft of climbing · 444 ft–808 ft · gravel surface · hiking

Backcountry camps

784 ft 742 ft · 3.7 mi high 784 ft

Along the way Back Country Site Sal Hollow Backcountry Campsite

On the parks map

All 53 trails in Mammoth Cave National ParkFind a trailOn the parks mapPark on nps.gov

About this trail's facts

The lines are the National Park Service's public trails layer, the trailheads and the waterfalls, views, peaks and historic places along them the Service's public points of interest, read 2026-10-16 and simplified for the map; the length is the line's, end to end. The write-ups are the Service's own "things to do" text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the park's own site before you go.