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Best hikes in San Isabel National Forest.

The 20 most loved trails in this park on Ranger, ranked by review activity, then length. Edited for first time visitors and returners both.

Park San Isabel National Forest
Hikes ranked 20
Ranger rank #1 of 44163 parks
Best months June, August, September

The 20 best hikes, in order

Ranked by reviews
  1. 01
    Rainbow Trail
    30.3 mi
  2. 02
    Colorado Trail Seg. 14 Chalk Creek Trailhead to US-50
    20.2 mi
  3. 03
    Colorado Trail Seg. 13 North Cottonwood Creek Road to Chalk Creek Trailhead
    18.5 mi
  4. 04
    Collegiate East
    17.4 mi
  5. 05
    Colorado Trail Seg. 15 US-50 to Marshall Pass
    14.9 mi
  6. 06
    Colorado Trail Seg. 12 Clear Creek to North Cottonwood Creek Road
    13.6 mi
  7. 07
    Colorado Trail Seg. 9 Tennessee Pass to Hagerman Pass Road
    13.0 mi
  8. 08
    Colorado Trail Seg. 11 Half Moon Creek to Clear Creek Road
    11.7 mi
  9. 09
    Rainbow Trail (FS1336)
    11.0 mi
  10. 10
    Colorado Trail Seg. 10 Hagerman Pass Road to Halfmoon Creek
    10.9 mi
  11. 11
    Locke Mountain Road
    10.1 mi
  12. 12
    Black Mountain Road
    9.6 mi
  13. 13
    Rainbow - 1336
    9.4 mi
  14. 14
    Collegiate West
    9.4 mi
  15. 15
    Bartlett Trail
    7.7 mi
  16. 16
    North Fork South Arkansas Road
    7.4 mi
  17. 17
    Hermit Lake Road
    7.3 mi
  18. 18
    Pine Creek Trail
    7.1 mi
  19. 19
    #1321
    6.9 mi
  20. 20
    Green's Creek
    6.8 mi
See all trails in San Isabel National Forest Plan a trip here

When to go. Best months to visit San Isabel National Forest: June, August, September. Outside these windows, expect closures, weather, or thin crowds.