Foothills Views

This challenging road cycling route takes you from the urban buzz of Pearl Street in Boulder out into the expansive northern plains and up to the scenic Carter Lake area. You'll experience a mix of flat, fast sections and significant climbs, passing through rural landscapes with distant Foothills Views. It's a demanding ride that rewards you with diverse scenery and a true sense of accomplishment.

Starting from Pearl Street, you'll need to plan for parking in Boulder's downtown area. Given the route's length and difficulty, an early morning start is advisable, especially if you're tackling it during the warmer months, to make the most of cooler temperatures and lighter traffic. Ensure you carry ample hydration and nutrition for the entire 72.9-mile (117.2 km) journey.

This difficult 72.9-mile (117.2 km) loop, with 2565 feet (782 metres) of elevation gain and an estimated duration of 5 hours and 13 minutes, is ideal for advanced road cyclists seeking a substantial day in the saddle. It connects several popular cycling areas, offering a comprehensive tour of the region's varied terrain, from the plains near Hygiene to the more undulating roads around Carter Lake.

The Boulder Reservoir loop via 63rd Street, Niwot Road, and 36 from Pearl Street offers a classic road cycling experience, blending urban energy with expansive rural views. You'll pedal past the scenic Boulder Reservoir, often with paddleboarders and sailors, all set against the stunning backdrop of the Flatirons and Rocky Mountains. The route then takes you through quiet agricultural lands on 63rd Street and Niwot Road, providing a sense of peaceful, open-road cycling.

This easy 21.0-mile (33.7 km) ride, with a gentle 615 feet (187 metres) of elevation gain, typically takes about 1 hour and 25 minutes to complete. Starting from Pearl Street, it's a popular choice for both casual outings and training rides. While the terrain is mostly flat to gently rolling, be aware that strong headwinds can significantly increase the effort required, so check the forecast before you go.

This loop is one of Boulder's most iconic and popular road cycling routes, frequented by a mix of professional and amateur cyclists. Its relatively flat and consistent nature makes it a staple for training rides and group outings, serving as an excellent gateway to other cycling options in the area. The diverse scenery, from the vibrant Pearl Street to the open plains and mountain vistas, provides a well-rounded cycling tour of the Boulder area.

Embark on a moderate road cycling adventure with the Olde Stage and Nelson Road loop, a route that spans 29.3 miles (47.2 km) and climbs 1564 feet (477 metres) over approximately 2 hours and 26 minutes. You will experience varied scenery, from open fields with horses and cows along Nelson Road offering expansive views of the Foothills and Lefthand Canyon, to the peaceful Cottonwood Trail winding beside a creek. The climb up Olde Stage Road provides a rewarding vista over northeast Boulder between the hills, making the effort worthwhile.

This challenging loop demands very good fitness due to its steep climbs, with some sections of Olde Stage Road reaching a 13.4% grade. While much of the route is paved, be prepared for crushed gravel sections, particularly on the Cottonwood Trail, which makes a gravel bike or a road bike with wider tires ideal. You should also be mindful of moderate car traffic on shared roads and the potential for deer sightings, especially on Olde Stage Road.

This route stands out for its blend of rural tranquility and urban connectivity, starting conveniently from Pearl Street. As you follow Lefthand Creek, you might spot local wildlife, adding to the natural charm of the ride. The diverse terrain and scenic overlooks make it a notable option for cyclists looking for a substantial workout combined with picturesque views in the Boulder area.