Marshall Mesa Loop

The full Marshall Mesa Loop is approximately 24.4 km (15.2 miles) long and typically takes around 2 hours and 35 minutes to jog, depending on your pace and how often you stop to enjoy the views.

Yes, the loop is generally considered easy to moderate, making it suitable for a wide range of users, including beginners. While some sections may have gentle rises, the overall gradient is manageable. Shorter loops within the system are also available for an easier experience.

The terrain varies, starting potentially rocky before transitioning to a packed dirt path with minimal roots. Some sections are wide and flat like a ranch road, while others are singletrack. Be aware that the trail can become muddy after rain or snow; it's advised to walk through mud to protect vegetation.

You'll be treated to spectacular views of the iconic Flatirons and the wider Boulder range. The path winds through open fields and meadows, with some wooded areas featuring pine trees. A bubbling creek and vibrant wildflowers can be found in season, and you might even see cattle grazing as it's part of an open space cattle program.

The area is home to various wildlife, including red-tailed hawks, other birds, coyotes, and mule deer. Signs often warn of coyotes, so be mindful of your surroundings.

Yes, the route intersects with several other paths. You'll find yourself on sections of the Marshall Mesa Trail, Mayhoffer Trail, Singletree Trail, Meadowlark Trail, Coal Seam Trail, Coalton Trail, Greenbelt Plateau Trail, and High Plains Trail, among others.

Yes, dogs are permitted on the trail. They are often allowed off-leash if they are under voice control, but always check local signage for specific rules and regulations.

The Marshall Mesa Loop is part of Boulder Open Space and Mountain Parks. Generally, there are no entrance fees or permits required for day use on these trails. However, it's always a good idea to check the Boulder Open Space and Mountain Parks website for the most current regulations regarding specific activities or group sizes.

Ample parking is available at the trailhead. You'll also find restrooms and picnic tables at the trailhead, making it convenient for a day out.

The trail can be enjoyed year-round, but spring and fall offer pleasant temperatures and vibrant scenery. During summer, be aware that the trail is largely exposed with limited shade, so an early morning or late afternoon jog is recommended to avoid the midday heat. After rain or snow, expect muddy conditions.

Given the trail's exposure and varying terrain, wear appropriate layers, sun protection (hat, sunscreen), and sturdy jogging shoes. Bring plenty of water, especially on warmer days, as shade is limited. If visiting after precipitation, be prepared for muddy sections.