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Routes
Hiking trails & Routes
United States
Colorado
Boulder County

Green Mountain West Ridge Trail

Easy

4.7

(8941)

14,690

hikers

Green Mountain West Ridge Trail

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

A

Start point

Parking

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1

3.41 km

Green Mountain Peak

Highlight • Summit

Summer and winter alike, this peak is always accessible and provides very beautiful views especially on the nearby Indian peaks.

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B

6.83 km

End point

Parking

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Way Types & Surfaces

Way Types

6.15 km

622 m

< 100 m

Surfaces

6.21 km

622 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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.

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Frequently Asked Questions

How difficult is the Green Mountain West Ridge Trail?

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'.

What kind of views can I expect on this trail?

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.

Where can I park for the Green Mountain West Ridge Trail?

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.

Is the Green Mountain West Ridge Trail dog-friendly?

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.

What is the best time of year to hike this trail?

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.

Are there any permits or fees required to hike this trail?

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.

What is the terrain like on the Green Mountain West Ridge Trail?

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.

What wildlife might I see on the trail?

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.

How long does it typically take to hike the Green Mountain West Ridge Trail?

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.

Does the Green Mountain West Ridge Trail connect with other trails?

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.

What are the general regulations for Boulder Open Space and Mountain Parks?

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.

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