Access is controlled but there is still good visuals of crystal formations available.
Degrees Minutes Seconds:
Latitude: N 44 21 40
Longitude: W 103 31 55
Decimal Degrees:
Latitude: N 44.36127,-103.53197
Longitude: W -103.53197
GPS:
Latitude: N 44 21.676
Longitude: W 103 31.918
UTM:
13N 616982 4913048
Trailhead:
Piedmont Trailhead
Camp 5 Trailhead