South Dakota trails · Snow-1
Snow-1
A 14.8-mile out-and-back in South Dakota, with 991 ft of climbing. Reaches McGeorge Spring and other spring destinations. Managed by the U.S. Forest Service.
Elevation profile
The climbing is spread fairly evenly along the route. It gives back about 1,097 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- McGeorge Spring (spring)
- Schoolhouse Spring (spring)
Getting there
SNOW-1 access. About 49 min drive (21 mi, 6 of them unpaved) from Spearfish. 44.33546, -104.00794 · 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 6:13 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 29.6-mile round trip works out to roughly 11 h 56 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.
Loop options
- DITCH CREEK 50 + SNOW-1 — 2.8 mi loop, 199 ft gain
- DITCH CREEK 36 + DITCH CREEK 58 + SNOW-1 — 2.5 mi loop, 151 ft gain
- RED BIRD + SNOW-12 + SNOW-1 — 8.4 mi loop, 536 ft gain
Nearby trails
- Rimrock — 1.0 mi
- Snow-3 — 2.5 mi
- Snow-4 — 3.2 mi
- Limestone 100 — 5.0 mi