South Dakota trails · Centennial Trail
A 22.1-mile network in South Dakota, with 1,178 ft of climbing. Managed by the state.
The climbing is spread fairly evenly along the route. It gives back about 2,359 ft along the way, so it rolls rather than climbing steadily.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Centennial Trail access. About 1 h 29 min drive (50 mi, 1 of them unpaved) from Rapid City. 43.62949, -103.44040 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:37 a.m., the sun rises at 7:06 a.m. and sets at 6:12 p.m., and the last usable light fades about 6:41 p.m. (MDT) — 11 h 06 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 22.1-mile route takes roughly 8 h 47 min, so leaving the trailhead at sunrise puts you back around 3:53 p.m. — 2 h 19 min before sunset.