Big Hollow Trailhead Connector is a 0.6-mile out-and-back foot trail in Mammoth Cave National Park, Kentucky. It is essentially flat, with a high point of 793 ft. Difficulty: easy, from the NPS hiking-rating formula.

Open Big Hollow Trailhead Connector on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Mammoth Cave. Mammoth Cave has permits or reservations for some areas: see the Mammoth Cave page for what's needed.