4.7
(8941)
14,690
hikers
01:56
6.83km
150m
Hiking
Hike the easy 4.2-mile Green Mountain West Ridge Trail for panoramic 360-degree views of the Colorado "14ers" and Boulder.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
3.41 km
Highlight • Summit
Tip by
6.83 km
End point
Parking
Way Types & Surfaces
Way Types
6.15 km
622 m
< 100 m
Surfaces
6.21 km
622 m
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Elevation
Highest point (2,450 m)
Lowest point (2,330 m)
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Weather
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Today
Wednesday 6 May
3°C
-5°C
96 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
The Green Mountain West Ridge Trail is generally considered to have a moderate difficulty level. It's suitable for beginners or those looking for an introductory summit hike. While the initial sections are relatively flat, the final ascent to the summit can be steep and rocky, often described as a 'butt burner'.
Hikers are treated to diverse and stunning views. You'll see the mountains transitioning into the foothills and the plains. From the summit of Green Mountain Peak, you'll get panoramic 360-degree views, including the Colorado '14ers' to the west and the city of Boulder and plains to the east. Landmarks like the sandstone Flatirons and the Indian Peaks Wilderness are also visible.
Parking can be limited at the trailhead along Flagstaff Road. Due to the trail's popularity, especially at peak times, it's advisable to arrive early to secure a spot.
Regulations for dogs in Boulder Open Space and Mountain Parks, where this trail is located, typically require dogs to be on a leash. Always check the official Boulder Open Space and Mountain Parks website for the most current rules regarding dog access and leash requirements.
The trail is open year-round. However, during winter months, you might encounter icy conditions, making microspikes a good idea. Seasonal closures can also occur due to muddy conditions. For pleasant hiking, spring, summer, and fall offer great experiences, with wildflowers in bloom during certain times.
No, there are typically no permits or entrance fees required to hike the Green Mountain West Ridge Trail, as it is part of the Boulder Open Space and Mountain Parks system which is generally free to access.
The trail primarily consists of a dirt and rock-packed surface. You'll encounter some notably rocky sections and log steps for elevation changes. While the beginning might be relatively flat and exposed, it gradually transitions to a more forested and increasingly steep ascent, especially closer to the summit.
Hikers have the opportunity to spot various wildlife along the path, including deer, elk, and prairie dogs. Keep an eye out, especially during quieter times of day.
The average duration for this hike is around 1 hour and 56 minutes. However, this can vary based on your pace, stops for views, and fitness level.
Yes, the route also passes through sections of the Green Bear Trail, Ranger Trail, Sacred Cliffs, and E.M. Greenman Trail, offering opportunities to explore further or create longer loops.
Boulder Open Space and Mountain Parks have regulations in place to protect natural resources and ensure visitor safety. These typically include rules about dogs (often requiring leashes), staying on marked trails, packing out all trash, and respecting wildlife. Always check the official Boulder Open Space and Mountain Parks website for the most current and detailed regulations before your visit.