South Dakota trails · George S. Mickelson Trail
A 15.6-mile network in South Dakota, with 987 ft of climbing. Managed by the state.
The climbing is spread fairly evenly along the route.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
George S. Mickelson Trail access — parking nearby. About 21 min drive (14 mi) from Spearfish. 44.37073, -103.72830 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:39 a.m., the sun rises at 7:08 a.m. and sets at 6:12 p.m., and the last usable light fades about 6:41 p.m. (MDT) — 11 h 04 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 15.6-mile route takes roughly 6 h 17 min, so leaving the trailhead at sunrise puts you back around 1:25 p.m. — 4 h 47 min before sunset.