The best traffic-free bike rides around Boulder

The Dirty Bismark loop from Bobolink Trailhead offers a dynamic touring cycling experience through Boulder's scenic foothills. You'll navigate a mix of singletrack, gravel, and dirt roads, with some mildly technical sections, all while enjoying expansive views of the Boulder Flatirons and distant snow-capped peaks like Longs Peak from elevated points such as Davidson Mesa. This difficult 23.9-mile (38.4 km) route, with its 1326 feet (404 metres) of elevation gain, provides a rewarding challenge that typically takes around 3 hours and 18 minutes.

To tackle this route, starting from the Bobolink Trailhead, you'll want a gravel or mountain bike, as about 25.6 kilometers of the trail are unpaved, and some western sections can get very muddy after rain. While the trail is generally accessible year-round, conditions can vary, so it's wise to check local reports before you go. This cycling route near Bobolink Trailhead Boulder Colorado is best suited for those with good fitness looking for a substantial ride.

What makes the Dirty Bismark loop truly special is its connection to the historic Morgul-Bismarck road cycling route, giving it a unique place in cycling lore. Despite its proximity to Boulder, the trail offers a distinct

The Gold Hill via Fourmile and Sunshine Canyons touring cycling route offers a dynamic experience through canyons and subalpine forests, culminating in the historic mining town of Gold Hill. You'll wind through diverse terrain, from paved sections to significant unpaved and dirt roads, enjoying panoramic vistas of the Rocky Mountains and glimpses of the Indian Peaks from Sunshine Canyon. This difficult 23.1 miles (37.2 km) loop, with its 3398 feet (1036 metres) of elevation gain, is a local favorite for its challenging ascents and rewarding descents.

Planning for this ride means preparing for a serious workout; the intense climbing up Fourmile Canyon, in particular, demands "requires legs of steel." You'll want wider tires, 32 millimeters or more, and low gears to handle the steep, sometimes rough and rocky, sections comfortably. The estimated duration is around 3 hours and 27 minutes, so pack enough water and snacks for a sustained effort.

What makes this route truly stand out is its blend of natural beauty and historical significance. The quaint, historic mining town of Gold Hill, largely preserved since 1859, provides a unique backdrop and a perfect spot to refuel at the Gold Hill General Store. This loop also serves as a gateway to more extensive adventures, with options to connect to other routes like the Switzerland Trail or the Peak-to-Peak Highway.

Embark on the Sunshine Canyon to Fourmile Canyon loop via Poorman Hill Road, a moderate touring bicycle route that offers a challenging yet rewarding experience. This 12.0-mile (19.2 km) journey includes 1270 feet (387 metres) of elevation gain, typically completed in about 1 hour and 30 minutes. As you cycle, you will pass through varied scenery, including dense woods and rugged rock outcroppings, with lovely views of the Indian Peaks unfolding before you. Keep an eye out for wildflowers blooming in the summer months, adding vibrant color to your ride.

When planning your visit, be aware that this route is considered moderate to hard, demanding good fitness due to its significant climbing sections. The terrain is mixed, featuring both paved and unpaved surfaces. Some parts of Sunshine Canyon and Poorman Road are particularly steep and can be washboarded, so prepare for varied conditions. While some sections might be manageable on a road bike, a mountain or gravel bike is highly recommended to comfortably handle the diverse surfaces you will encounter.

This classic Boulder ride showcases diverse landscapes, including views of Mount Sanitas as you head back towards town. You will also observe sections that still bear the marks of the 2010 Fourmile Canyon fire, offering a poignant reminder of nature's power and resilience. The route provides a unique opportunity to connect with the local environment and its history, making it a notable touring cycling option in the Boulder Open Space and Mountain Parks area.

Tackle the Jamestown loop via Olde Stage and Lee Hill Drive for a truly rewarding touring bicycle experience in Boulder. This difficult 19.2-mile (30.8 km) route packs in 2403 feet (732 metres) of elevation gain, winding through tree-covered mountains and offering expansive vistas over northeast Boulder. You'll navigate challenging climbs on both Olde Stage Road and the notorious Lee Hill Drive, but the journey through Lefthand Canyon, often alongside a fast-moving creek, makes every pedal stroke worth it. Expect a solid 2 hours and 17 minutes of riding, perfect for fit cyclists seeking a significant workout with stunning natural beauty.

Planning your ride is straightforward, with the charming town of Jamestown serving as a key waypoint. The Jamestown Mercantile Café is a popular stop for cyclists, offering refreshments and a chance to refuel. Across the street, Jamestown Park provides convenient amenities like a bottle filling station and a bike repair stand. While the route is popular and traffic is generally accustomed to cyclists, always ride with caution, especially on the fast descents.

This classic Boulder cycling route is renowned for its diverse scenery, transitioning from open plains views to the immersive natural beauty of Roosevelt National Forest and Boulder Open Space. Keep an eye out for wildlife like deer along Lefthand Creek, and if you ride in the fall, you'll be treated to spectacular changing colors. The combination of sustained climbs and scenic descents makes this a highly rewarding experience for those looking for an advanced cycling challenge.