South Dakota trails · Snow-3
Snow-3
A 4.6-mile out-and-back in South Dakota, with 531 ft of climbing. Reaches Lone Grave Spring. Managed by the U.S. Forest Service.
Elevation profile
The climbing is spread fairly evenly along the route. It gives back about 258 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Lone Grave Spring (spring)
Getting there
SNOW-3 access. About 1 h 08 min drive (26 mi, 10 of them unpaved) from Spearfish. 44.34772, -104.05557 · directions
Daylight at the trailhead
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:40 a.m., the sun rises at 7:09 a.m. and sets at 6:14 p.m., and the last usable light fades about 6:43 p.m. (MDT) — 11 h 04 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 9.2-mile round trip takes roughly 3 h 56 min, so leaving the trailhead at sunrise puts you back around 11:05 a.m. — 7 h 08 min before sunset.
Nearby trails
- Snow-1 — 2.5 mi
- Rimrock — 3.5 mi
- Snow-4 — 5.4 mi
- Tinton Trail — 7.2 mi