South Dakota trails · Centennial On Hell
Centennial On Hell
A 9.9-mile out-and-back in South Dakota, with 678 ft of climbing. Managed by the U.S. Forest Service.
Elevation profile
The climbing is spread fairly evenly along the route. It gives back about 1,502 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Heads up
Getting there
BIG PINE — parking nearby. 43.89907, -103.48580 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:46 a.m., the sun rises at 6:15 a.m. and sets at 7:31 p.m., and the last usable light fades about 8:01 p.m. (MDT) — 13 h 16 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 19.7-mile round trip takes roughly 7 h 59 min, so leaving the trailhead at sunrise puts you back around 2:15 p.m. — 5 h 17 min before sunset.
Loop options
- CENTENNIAL ON HELL + HORSETHIEF #14 + GRIZZLY #7 — 10.6 mi loop, 1,792 ft gain
- CENTENNIAL ON HELL + Willow Creek Rushmore #5 Trail + HARNEY # 9 NORTH — 14.3 mi loop, 3,330 ft gain
Nearby trails
- Lost Cabin #2 — 2.5 mi
- Harney # 9 North — 3.2 mi
- Grizzly #7 — 4.2 mi
- Centennial On Mystic — 4.7 mi