Looking for some great trails in Boulder to go explore? Here’s a list of the 10 best hiking trails in Boulder.

1. The Royal Arch

Royal Arch Trail is a 4 mile heavily trafficked out and back trail located near Boulder, Colorado that features beautiful wildflowers and is rated as difficult. The trail is primarily used for hiking, running, nature trips, and snowshoeing and is best used from March until October. Dogs are also able to use this trail.

Directions: All Trails | Google Maps

2. Mount Sanitas

Mount Sanitas and Sanitas Valley Loop Trail is a 3.2 mile heavily trafficked loop trail located near Boulder, Colorado that features beautiful wildflowers and is rated as difficult. The trail is primarily used for hiking and running and is best used from April until October. Dogs are also able to use this trail but must be kept on a leash.

Directions: All Trails | Google Maps

 

3. Chautauqua

Chautauqua Trail is a 1.2 mile heavily trafficked out and back trail located near Boulder, Colorado that features beautiful wildflowers and is rated as moderate. The trail is primarily used for hiking, walking, running, and nature trips and is best used from March until November. Dogs are also able to use this trail but must be kept on a leash.

Directions: All Trails | Google Maps

 

4. The Flatirons Loop

First and Second Flatirons Loop is a 2.5 mile heavily trafficked loop trail located near Boulder, Colorado that features beautiful wildflowers and is rated as difficult. The trail is primarily used for hiking and is best used from April until October. Dogs are also able to use this trail.

Directions: All Trails | Google Maps

 

5. Green Mountain West Trail

Green Mountain West Trail is a 4 mile heavily trafficked out and back trail located near Boulder, Colorado that features beautiful wildflowers and is rated as moderate. The trail is primarily used for hiking, running, nature trips, and bird watching and is best used from April until October. Dogs are also able to use this trail.

Directions: All Trails | Google Maps

 

6. Mallory Cave

Mallory Cave is a 2.4 mile heavily trafficked out and back trail located near Boulder, Colorado that features beautiful wildflowers and is rated as moderate. The trail is primarily used for hiking and rock climbing and is best used from May until October. Dogs are also able to use this trail but must be kept on a leash.

Directions: All Trails | Google Maps

 

7. Bear Peak

Bear Peak via Homestead and Shadow Canyon Trail is an 8.1 mile heavily trafficked out and back trail located near Boulder, Colorado that features beautiful wildflowers and is rated as difficult. The trail is primarily used for hiking, running, nature trips, and bird watching and is best used from April until October. Dogs are also able to use this trail but must be kept on a leash.

Directions: All Trails | Google Maps

 

8. Walker Ranch Loop Trail

Walker Ranch Loop Trail is an 8.3 mile heavily trafficked loop trail located near Boulder, Colorado that features a river and is rated as difficult. The trail offers a number of activity options and is best used from March until November. Dogs are also able to use this trail but must be kept on a leash.

Directions: All Trails | Google Maps

 

9. Green Mountain Loop

Green Mountain Loop is a 7.2 mile heavily trafficked loop trail located near Boulder, Colorado that features beautiful wildflowers and is rated as difficult. The trail is primarily used for hiking and running and is best used from March until November.

Directions: All Trails | Google Maps

 

10. Gregory Canyon

Gregory Canyon, Range View, and Flagstaff Trail Loop is a 3.6 mile heavily trafficked loop trail located near Boulder, Colorado that features beautiful wildflowers and is rated as moderate. The trail is primarily used for hiking, running, rock climbing, and nature trips. Dogs are also able to use this trail.

Directions: All Trails | Google Maps