8 miles
1,601 ft
-1,745 ft
4,954 ft
High Point


  • Riding area
    Storm Mountain Trails
    Rapid City, South Dakota
  • Difficulty rating
  • Trail type
  • Trail Usage
  • Direction
    Both Directions
  • Climb Difficulty
  • Physical rating
  • Season
    Year Round
  • eBike Allowed
  • Global Ranking
  • Land Manager
    US Forest Service

Trail 50 - The Flume Trail follows an abandoned water flume alignment from Sheridan Lake to Rockerville/Storm Mountain. There are a couple of tunnels on this trail. At this point in time bikes are not allowed on Trail 50 with the exception of the section located on the south edge of Sheridan Lake that is shared with Trail 89.

Access Info

Parking is available at the Flume Trail Head located on the south side of Sheridan Lake. Dakota Point Trail Head located on the North side of Sheridan Lake. Upper Spring Creek Trail Head located on Sheridan Lake Drive several miles east of US-385. Boulder Hill Trail Head located about a mile north of US-16 on FS-358/Boulder Hill Road. Coon Hollow Trail Head (Storm Mountain TH) located on Silver Mountain Road a short distance west of US.16.

Local Trail Association
More Stats for Trail 50 - Flume Trail mountain bike trail
  • Altitude change
    -144 ft
  • Altitude min
    4,439 ft
  • Altitude start
    4,636 ft
  • Altitude end
    4,491 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    4 miles
  • Distance down
    4 miles
  • Distance flat
    3,909 ft
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Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to trail-50-flume-trail trailhead (43.973953, -103.451277)
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Feb 24, 2018 @ 8:06am
Feb 24, 2018
Trail 50 - Flume Trail

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