49 Trails in Boulder, Colorado

Rank Trail Name Difficulty Length (mi) Rating City
1. Heil Valley Ranch Intermediate difficulty 14.0 **** Boulder
2. Valmont Bike Park Intermediate difficulty 6.0 ***** Boulder
3. White Ranch Advanced difficulty 14.0 **** Golden
4. North Table Mountain Intermediate difficulty 10.0 *** Golden
5. Hall Ranch Advanced difficulty 9.0 **** Lyons
6. Centennial Cone Park Intermediate difficulty 13.0 **** Idaho Springs
7. Virginia Canyon Expert difficulty 11 ***** Idaho Springs
8. Betasso Preserve Intermediate difficulty 7.0 **** Boulder
9. Sunset East Beginner difficulty 1.0 **** Erie
10. Walker Ranch Advanced difficulty 7.0 **** Boulder
11. Golden Gate Canyon State Park Advanced difficulty 35.0 **** Golden
12. Sunset West Advanced difficulty 3 **** Erie
13. Marshall Mesa Area Beginner difficulty 16.0 *** Boulder
14. Picture Rock Trail (Heil Valley Ranch) Intermediate difficulty 11.0 **** Lyons
15. Maryland Mountain Advanced difficulty 12 **** Black Hawk
16. Wapiti Trail (Heil Valley Ranch) Intermediate difficulty 5.0 **** Boulder
17. South Saint Vrain Advanced difficulty 10.0 **** Ward
18. Boulder Valley Ranch Beginner difficulty 7 ** Boulder
19. Rabbit Mountain Loop Intermediate difficulty 5.0 *** Lyons
20. Dirty Bismarck Easiest difficulty 10.0 *** Superior
21. Standley Lake Beginner difficulty 5.0 *** Westminster
22. Mountain Lion Trail (Golden Gate Canyon State Park) Advanced difficulty 8.0 **** Black Hawk
23. Chapman Drive Intermediate difficulty 3.0 **** Boulder
24. Doudy Draw Trail Beginner difficulty 4.0 *** Eldorado Springs
25. Flatirons Vista Beginner difficulty 4.0 *** Boulder
26. Spring Brook Loop Beginner difficulty 5.0 *** Eldorado Springs
27. Lobo Trail Easiest difficulty 18 *** Longmont to Boulder
28. Ceran Saint Vrain Loop Intermediate difficulty 5.0 *** Jamestown
29. Coal Creek Trail Easiest difficulty 10.0 *** Louisville
30. Marshall Road Open Spaces Beginner difficulty 7.0 *** Superior
31. High Plains Trail Beginner difficulty 4.0 *** Superior
32. White Rocks Trail Beginner difficulty 7.0 *** Lafayette
33. Meyers Homestead Trail (Walker Ranch) Beginner difficulty 5.0 ** Boulder
34. CU Dirt Jumps Beginner difficulty 1.0 *** Boulder
35. Coalton Trail Beginner difficulty 6.0 *** Superior
36. Ponderosa Loop (Heil Valley Ranch) Intermediate difficulty 3.0 *** Boulder
37. Colorado Hills Trail Beginner difficulty 6.0 ** Westminster
38. Coulson Gulch Advanced difficulty 9.0 *** Pinewood Springs
39. Community Ditch Easiest difficulty 8.0 *** Eldorado Springs
40. Greenbelt Plateau Beginner difficulty 3.0 *** Superior
41. Rattlesnake Gulch Advanced difficulty 4.0 ** Boulder
42. East Boulder Trail Easiest difficulty 4.0 ** Louisville
43. Bald Mountain Trail Beginner difficulty 1.0 ** Boulder
44. Davidson Mesa  difficulty 4.0 * Louisville
45. Bunce School Road To T33 Crash Site  difficulty 14.0 Allenspark
46. Van Bibber Park  difficulty 6.0 Arvada
47. Bon Scott  difficulty 23.0 Boulder
48. St Vrain River Trail  difficulty 23.0 Longmont
49. St Vrain River Trail  difficulty 23.0 Longmont

Know of a new mountain bike trail not listed here? Please tell us about it using this form. Find mountain bike trails near you or for even more trail inspiration and how we ranked the mountain bike trails, see this list of the best mountain bike trails in the world.