South Boulder Peak, Bear Peak, and Green Mountain Trail
South Boulder Peak, Bear Peak, and Green Mountain Trail
3.0
(15)
61
hikers
06:41
18.3km
1,090m
Hiking
Hike the difficult 11.4-mile South Boulder Peak, Bear Peak, and Green Mountain Trail for panoramic views and a challenging workout.
Last updated: February 26, 2026
Tips
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 6.99 km for 77 m
Waypoints
Start point
Parking
Get Directions
6.95 km
Highlight • Summit
Tip by
13.7 km
Highlight • Summit
Tip by
15.8 km
Highlight • Trail
Tip by
16.2 km
Highlight • Natural Monument
Tip by
16.6 km
Highlight • Climb
Tip by
17.9 km
Highlight • Trail
18.0 km
Highlight • Trail
Tip by
18.3 km
End point
Parking
Way Types & Surfaces
Way Types
17.2 km
639 m
275 m
116 m
< 100 m
Surfaces
17.8 km
227 m
119 m
110 m
< 100 m
< 100 m
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Elevation
Highest point (2,530 m)
Lowest point (1,710 m)
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Weather
Powered by Foreca
Today
Sunday 23 August
33°C
18°C
66 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
The route often begins from the Chautauqua Trailhead, which is a popular access point for many trails in the Boulder area. Parking can be challenging, especially on weekends and during peak seasons. Arriving early in the morning is highly recommended to secure a spot. You can find more information about the trailhead here: Chautauqua Trailhead.
Yes, these trails are located within Boulder Open Space and Mountain Parks. While there isn't a specific permit required for hiking itself, parking at some trailheads, including Chautauqua, may require a fee or permit, especially during peak times. Always check the official Boulder Open Space and Mountain Parks website for the most current regulations and parking information before your visit.
No, this is a difficult and strenuous hike, rated as such due to its significant elevation gain (over 1,000 meters) and varied, demanding terrain. It's designed to test your "lungs and quads" and requires good fitness and stamina. Sections involve steep rock steps, scrambling over boulders, and navigating exposed ridges, particularly near the summits of Bear Peak and South Boulder Peak. Beginners should consider shorter, less challenging options in the Boulder area.
The terrain is incredibly varied and demanding. You'll encounter steep rock steps, numerous switchbacks, and sections requiring scrambling, especially near the summits. The path winds through conifer and piney tree stands, gulches like Shadow Canyon with massive boulders, and lush ravines such as Fern Canyon, characterized by towering sandstone slabs and countless rock steps. Lower elevations might feature open grassy plains, while the upper reaches are rocky with natural steps and roots. Be prepared for a challenging and diverse experience.
This route offers stunning panoramic views and several prominent landmarks. You'll summit Bear Peak and Green Mountain Peak, with sweeping vistas of Boulder, the Continental Divide, Longs Peak, and the iconic Boulder Flatirons. From South Boulder Peak, you can see across the Front Range mountains and over the plains. Other notable features include the Saddle Rock Trail Ladder, Saddle Rock, and Amphitheater Rock. You might also spot Devil's Thumb along the way.
Yes, dogs are generally allowed on these trails within Boulder Open Space and Mountain Parks, but strict leash laws apply. Always ensure your dog is under control and on a leash to protect wildlife and ensure a pleasant experience for all hikers. Be aware that some sections are very rocky and steep, which might be challenging for some dogs.
The best time to hike is typically from late spring through fall. During spring, you might encounter consistent snowpack, especially on switchbacks, and some areas show signs of fire damage. Summer offers warmer temperatures but can be very busy. Fall provides cooler weather and beautiful foliage. Always check current trail conditions before heading out, especially after recent weather events.
Yes, this extensive route utilizes and intersects with several other well-known paths within the Boulder Open Space and Mountain Parks system. You will traverse sections of the Bear Peak West Ridge Trail, Homestead Trail, Shadow Canyon South Trail, E.M. Greenman Trail, and Shadow Canyon Trail, among others, as you connect the three peaks.
The diverse ecosystems along the route support a variety of wildlife. Keep an eye out for Peregrine Falcons, Red-tailed Hawks, and various songbirds in the skies. On the ground, you might spot mule deer and coyotes. Remember to observe wildlife from a distance and never feed animals.
This route is typically done as a strenuous loop, allowing you to summit all three peaks in one extensive hike. While sections can be done as out-and-back segments, combining them into a loop is a popular and rewarding option for experienced hikers. The loop provides varied scenery and a comprehensive experience of the area.
This hike is very challenging. Be prepared for significant elevation gain and steep, rocky sections, particularly the final 300-foot scramble to Bear Peak's summit and the climb to South Boulder Peak. Shadow Canyon is especially demanding, climbing nearly 1,800 feet in just over a mile. Bring plenty of water, snacks, and wear sturdy hiking boots. Starting early is crucial not only for parking but also to allow ample time to complete the 24,048-second (approximately 6.7-hour) journey before dark, especially given the technical terrain.
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