Flume Trail - Loop B
This part of the Flume Trail is called Loop B and is 3.8 miles long round trip. The trail follows the historic flume which was part of the mining operations in the 1880s. The trail follows the actual flume bed for most of the way and you can still see historic artifacts that were part of the Flume Trail. Please don’t remove anything from the trail.
To get to this trail park at the Boulder Hill Trailhead off Boulder Hill Rd just west of Rapid City. Boulder Hill Road can be accessed by S Highway 16 or Sheridan Lake Road.