Hiking to Boulder's Green Mountain

Colorado Chautauqua Park Trailhead

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6.2 miles roundtrip with 2676' elevation gain or longer, easier route of 9.75 miles and 2434'Fun day hike with beautiful views. Well marked trails to make it a bit more family friendly. Duration: 4-6 hours.

Starting from the popular Chautauqua Park trailhead, head west on the main trail to the first branch off onto a smaller trail that will take you toward Baseline Road. Follow this trail until it eventually connects with Gregory Canyon Trailhead—you can park at this trailhead if you wish, but miss out on view of the Flatirons.

Head out on the main Gregory Canyon trail that heads due west into the mountains. This trail will begin to climb pretty rapidly up through the canyon, so be ready. About a mile of climbing later, you will reach the high point of the canyon and have a mostly flat section for about half a mile. At the end of this flat section will be a ranger station; continue straight ahead on Ranger Trail.

On Ranger Trail, continue the climb west until you reach a trail junction. Either direction will get you to Green Mountain Summit, but taking a right will have you on the shorter, steeper route and a left turn will take you on a route that's not as steep, but considerably longer. Choose your direction based entirely on preference; if there's snow on the trail, however, it's better to take the left route.

Either way, the climb will continue for a mile and a half on the right route or about two and a half to three miles on the left route. As long as you don't leave the trail, it will be very straightforward—in an hour or two you'll find yourself on top Green Mountain with views of the Front Range, Boulder, and the plains to the east.

Pack List

  • Backpack
  • Sandwich (or snacks)
  • Water (bring extra depending on the weather)
  • Energy/protein bars
  • Camera
  • Hiking boots
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Activities:

Hiking, Photography

Skill Level:

Beginner

Season:

Year Round

Trail Type:

Out-and-Back

Distance:

6.2 Miles

Elev. Gain:

2676 Feet

Rating:

Features:

Bathrooms
Dog Friendly
Easy Parking
Family Friendly
Food Nearby
Forest

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How to Get There

over 1 year ago

Can't beat the views of Boulder.

over 1 year ago

over 1 year ago

Green Mountain in December

Did this hike this morning and it was awesome! Got to the trailhead by 6:30am on a Saturday and parking was no problem. I would definitely get there early as it was packed when we left. Beautiful views and perfect little day hike. Would definitely recommend trail cleats if you are planning on doing this one in the winter.

over 1 year ago

Added by Jeff Richards

Addicted to the mountains and in love with all they offer.

 Boulder, CO

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