Bear Peak & South Boulder Summit loop

Parking for this loop is typically available at trailheads within Boulder Open Space and Mountain Parks. It's advisable to arrive early, especially on weekends, as parking lots can fill up quickly due to the popularity of the area. Check the official Boulder Open Space and Mountain Parks website for specific trailhead parking information and any potential shuttle services during peak times.

Yes, dogs are generally allowed on trails within Boulder Open Space and Mountain Parks, including this loop. However, specific regulations apply, such as leash laws and waste removal. Always check the latest rules on the bouldercolorado.gov website, as some areas may have seasonal restrictions or require a Voice and Sight Tag.

The best time to jog this loop is typically from late spring through early fall (May to October). During these months, the weather is generally favorable, and the trails are clear of snow and ice. Spring offers lush greenery, while fall provides cooler temperatures and vibrant foliage. Summer can be hot, so an early start is recommended.

No, there are no entrance fees or permits required to access the trails within Boulder Open Space and Mountain Parks for day use. However, specific regulations apply to activities like dog walking (Voice and Sight Tag) or commercial use. Always consult the bouldercolorado.gov website for the most current information.

This loop is considered difficult and strenuous. The terrain varies from broad, gently sloping dirt paths to rocky sections with numerous rock steps and tree roots. Expect significant elevation gain, especially on the Fern Canyon Trail ridgeline, which features very steep rock steps. The final approach to Bear Peak and South Boulder Peak involves scrambling over jumbled boulders and navigating exposed ridges.

The loop offers exceptional scenery, including sweeping 360-degree views of the Colorado Front Range, the city of Boulder, the iconic Flatirons, and the distant Continental Divide. You'll pass through areas with massive sandstone rock formations, lush greenery, conifer forests, and sections of burn zones from the 2012 Flagstaff Fire. Views of Eldorado Canyon are also prominent from South Boulder Peak.

While jogging this loop, you have a chance to spot various wildlife. Keep an eye out for Peregrine Falcons, Red-tailed Hawks, and other songbirds. Mule deer and coyotes are also known to frequent the area. Remember to observe wildlife from a distance and never feed them.

Absolutely! Key highlights on this route include the challenging Upper Big Bluestern Trail, the scenic Fern Canyon Trail ridgeline, and of course, the summits of Bear Peak and South Boulder Peak. The Shadow Canyon Trail is also a notable section of the loop.

Yes, the loop utilizes and intersects with several other well-known paths within the park. You'll find yourself on sections of the Mesa Trail, Shadow Canyon Trail, Shadow Canyon South Trail, Fern Canyon Trail, Upper Big Bluestem Trail, Bear Peak Trail, and South Boulder Peak Trail, among others.

Given the strenuous nature of this loop, particularly the steep rock steps on Fern Canyon and the boulder scrambling near the summits, it's wise to conserve energy for these sections. Many experienced joggers recommend starting early to avoid the midday heat and allow ample time. Consider bringing trekking poles for stability on the rocky descents, and be prepared for exposed conditions on the ridgelines.

Jogging this loop in winter is possible but requires extra caution and preparation. Snow and ice can make the steep and rocky sections significantly more challenging and potentially hazardous. Microspikes or traction devices are highly recommended, and conditions can change rapidly. Always check trail conditions before heading out in winter.

For this difficult loop, essential items include plenty of water (there's no water available on the trail), high-energy snacks, appropriate layers of clothing for changing weather, sun protection (hat, sunscreen), and sturdy trail running shoes with good grip. A map or GPS device is also recommended, along with a headlamp if you anticipate being out near dusk.