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    Green Mountain Summit Loop Trail

    • Gregory Canyon Rd
      Boulder, CO 80302

    At 8,144 feet, Green Mountain is third-tallest peak in Boulder’s mountain backdrop. You will leave from the Gregory Canyon Trailhead and take your loop in the direction of either Gregory Canyon or Saddle Rock. Both are strenuous climbs up the cool and shady north side of the mountain through lush forests and beside seasonal trickling streams. After the final lung-busting stretch, you’ll be rewarded by 360-degree views and, in summer, swarms of butterflies. This mountain climb is a serious endeavor, so prepare accordingly.

    Directions: Use Google Maps for navigation to parking at “Gregory Canyon Trailhead.”

    Cars not registered in Boulder County must pay a $5 parking fee at the parking lot

    Hiking Trails
    • Estimated Time: 2-4 hours:
    • Difficulty: Advanced:
    • Dogs Allowed (on leash):
    • Parking Fee:
    • Distance: 2.7 miles
    • Estimated Time: 2-4 Hours
    • Difficulty: Advanced
    • Great for Winter: