South Dakota trails · Snow-7
Snow-7
A 9.0-mile out-and-back in South Dakota, with 606 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 687 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Getting there
SNOW-7 access. About 39 min drive (26 mi, 1 of them unpaved) from Spearfish. 44.25129, -103.70986 · directions
Daylight at the trailhead
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 05 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 17.9-mile round trip takes roughly 7 h 15 min, so leaving the trailhead at sunrise puts you back around 2:22 p.m. — 3 h 50 min before sunset.
Nearby trails
- Snow-7C — 2.2 mi
- Stageyard 150 — 7.9 mi
- George S. Mickelson Trail — 8.3 mi
- Centennial On Northern Hills — 10.2 mi