Natural Bridge Trail One-way planning track from Bridge Bay Marina to the Natural Bridge. Retrace the route for the official out-and-back hike. 2026-08-12T00:00:00Z NPS Yellowstone Trail centerline layer Natural Bridge Trail Generalized planning geometry; mapped length 1.26 miles; NPS source OBJECTIDs 1423, 466, 333, 1149, 1085. 2383.0 2383.0 2383.0 2383.0 2383.0 2383.0 2383.0 2383.0 2383.0 2390.0 2390.0 2390.0 2390.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2374.0 2386.0 2386.0 2386.0 2386.0 2386.0 2386.0 2386.0 2386.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2378.0 2386.0 2386.0 2386.0 2386.0 2386.0 2391.0 2391.0 2391.0 2386.0 2386.0 2386.0 2386.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2390.0 2400.0 2400.0 2400.0 2400.0 2400.0 2400.0 2387.0 2387.0 2387.0 2387.0 2387.0 2387.0 2387.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2389.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2396.0 2406.0 2406.0 2406.0 2406.0 2406.0 2406.0