Bear Peak Near Boulder - Day Hikes Near Denver

September 23, 2019 Comments (0) 7-9 miles, 9+ Miles, About 45 Min, Boulder Hikes, Colorado Loop Hikes, Deer, Difficult, fall colors, Meadows, Mountain Range Views, Peak-Top Views, Wildlife

Bear Peak Near Boulder

mountain peak with orange granite with hiker sitting on top against blue skies bear peak hike boulder colorado

Bear Peak is a demanding 7.4-mile hike (round trip) through the broad meadows of South Mesa, up through the rocky trail of shadow canyon, to the granite summit with sweeping 360 degree views of the Colorado Front Range. You can summit South Boulder Peak on your way and make a loop hike out of your adventure by returning via Fern Canyon. Explore the full Bear Peak hike profile below for the trail map, driving directions, and more tips and details to help you enjoy this adventure near Boulder, Colorado.


Bear Peak Trail Snapshot

Parking & Trailhead Information for Bear Peak

south mesa trailhead with sign near boulder hike for bear peak

Access to Bear Peak is from the South Mesa Trailhead off of Eldorado Springs Drive just South of Boulder. From Denver, drive North on interstate 25 to 36 toward Boulder. Take the McCaslin Blvd exit and then go South/West onto McCaslin. At the intersection of McCaslin and Marshall, take a right onto Marshall Road. Marshall will intersect with Eldorado Springs Drive. Here, take a left onto Eldorado Springs Drive. About two miles down the road, you’ll find the South Mesa Trailhead on your right. The South Mesa Trailhead is a part of the Boulder County Open Space and requires a daily parking fee, or an annual pass. I went online and bought an annual parking pass through the Open Space website. This gives you access to all the southern fee parking areas as well as the parking areas on Flagstaff Mountain. There are restrooms at the trailhead.




The Hike: Bear Peak

From the South Mesa Trailhead, the trail leads across a small bridge spanning over Boulder Creek. Willow trees arch over the stream making it worth a short pause to take in the sounds of water before you set off across the meadows of South Mesa. There are many trail options, but the most direct is to take the Homestead Trail, which heads West across a gentle grade toward Shadow Canyon.

bridge across creek with bear peak and flatirons in distance trail for bear peak hike

This first mile or so of the hike is easy and offers stunning views of the Flatirons and views of the entrance of Eldorado Canyon. An old stone building, part of an early homestead is the first marker you’ll pass early in the hike.

old stone building along south mesa homestead trail on hike to bear creek

After about 1.3 miles, the trail will split. Take the left (West) trail, which leads to the South Shadow Canyon Trail. After about a 1/2 mile, you’ll encounter a 2nd trail split. The Shadow Canyon Trail will again bear to the left and begin heading up steeper terrain.

bear peak lit by sunrise south of boulder colorado

As the trail ascends, you soon leave the meadow and enter into more dense ponderosa pine forest. The vegetation in the understory grows tall and green at the entrance to the canyon. You’ll see another cabin with a metal roof (pictured below). Soon past the cabin will be another important trail juncture. Again, the trail up Shadow Canyon will bear left (West).

old cabin in shadow canyon on the way up to bear peak near boulder colorado

Once in Shadow Canyon, the trail now becomes much more steep and requires navigating over rock and tree roots. This segment of the trail traveling up through the canyon is over a mile, so be ready for a steady and demanding climb.

sign for trail split shadow canyon to bear peak and wildflowers in foreground

The canyon is an access route for Devils Thumb, a prominent rock formation along this ridge. There are seasonal closures (see photo below) because of nesting raptors. Be sure to stay out of this area from Feb. 1st to July 31st. You are welcome to stay on the Shadow Canyon trail–it’s not closed during this time–but refrain from going off-trail or taking social trails during this time up to Devils Thumb.

sign for area closure in shadow canyon on way up to bear peak near boulder

Eventually, the trail emerges from the canyon onto the saddle between South Boulder Peak and Bear Peak. This area is marked by a burn area, and in the late summer, raspberry plants grow trailside full of ripe berries. The burn was ignited by lightning in June of 2012. Named the Flagstaff Fire, it consumed about 300 acres before being contained by firefighters.

above shadow canyon looking down into canyon from a burn area on the saddle between south boulder peak and bear peak in the flatirons

Another trail sign notes the way to Bear Peak, a 0.3 mile trail segment curving North up the back of the summit.
sign for trail split on saddle between bear peak and south boulder peak

You’ll notice more burn area on the left (West) side of the trail. The rock on the trail becomes increasingly brittle as you go, so be aware of those hiking below you and be sure to hike on the most secure and durable surfaces.

trail through burn area leading up to bear peak in the flatirons near boulder colorado

The final segment requires a scramble along about 25 yards of angled rock. Take your time and scope out the safest route to the summit. Most peaks along the Front Range have broad tops, but Bear Peak is tapered to a point. Several USGS markers are set into the rock (I think I counted 3–which is unusual). The views are great, both to the East and to the mountains in the West.

View from Bear Peak Near Boulder Colorado Orange granite peak looking down toward rolling green and trees landscape

There are two options for the return hike: 1) to hike the 3.7 miles back through Shadow Canyon, retracing the same trails, or 2) to make a loop out of the hike by descending via Fern Canyon (about 4.7-mile return). The rest of this profile will follow the Fern Canyon to Mesa Trail return.

trail sign at split just below the summit of bear peak pointing to fern canyon

A sign marking the trail down Fern Canyon is located right at the base of Bear Peak (where the trail turns into a scramble up the summit). The descent into Fern Canyon is very steep and the rock is very loose. Hikers will also encounter people making their way up the trail, so be sure to move off to the side and grant right-of-way to hikers who are doing the harder work of ascending the trail. I would not recommend hiking up to Bear Peak from this route because the trail is way more demanding than the Shadow Canyon approach.

descent trail that is very steep and rocky leading down into fern canyon from bear peak in the flatirons

After about 1/2 of a mile descending this steep saddle, the trail will bear right (East) into Fern Canyon via a series of switchbacks. Eventually, the trail will emerge from Fern Canyon back onto the more gentle slopes of South Mesa. Look for signs for the Mesa Trail, and follow them South back to the South Mesa Trailhead.

mesa trailhead sign below flatirons near boulder colorado

The hike back on the Mesa Trail travels in and out of the shade of Ponderosa pines and along the pink and orange Flatiron mountains that make this area so spectacular. We took the Upper Bluestem trail to some small connector trails leading back to the trailhead. Another approach is stay on the Mesa Trail (see map) until it connects back to the Homestead Trail.

meadows and ponderosa pine along mesa trail in the south mesa area of the flatirons south of boulder colorado with the flatirons in the background

Tips & Resources for Hiking to Bear Peak


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Map & Driving Directions


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