Gross Gap Route


Gross Dam Road and the top of Gap Road are dirt. 54 miles.
  1. Boulder
  2. Flagstaff Rd. & Gross Dam Rd.
  3. Gross Dam Rd. & Crescent Park Dr.
  4. Crescent Park Dr. & Coal Creek Cannyon
  5. Coal Creek Canyon & Twin Spruce Rd.
  6. Gap Rd. & Peak to Peak Hwy.
  7. Nederland
  8. Boulder
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