Walnut Creek Open Space – Davidson Mesa Overlook loop from Flatiron Crossing

If you're looking for a substantial road cycling route with panoramic views near Boulder, the Walnut Creek Open Space – Davidson Mesa Overlook loop from Flatiron Crossing delivers. This is a moderate 35.0-mile (56.4 km) ride with 2203 feet (672 metres) of elevation gain, typically taking around 3 hours and 7 minutes. It's a great option for cyclists ready for a longer day in the saddle, offering a rewarding blend of open space and mountain vistas.

What to expect on Walnut Creek Open Space – Davidson Mesa Overlook loop from Flatiron Crossing

This route takes you through the urban nature setting atop Davidson Mesa Open Space Park, where the main trails are primarily all-weather surface doubletrack and crushed gravel paths. While not technical, expect sustained effort to conquer the 2203 feet of climbing spread across the 35 miles. As you ride, you'll be treated to stunning, unobstructed views of the Flatirons and the wider Rocky Mountain range, especially beautiful during sunrise or sunset. Keep an eye out for prairie dogs and nearby horses as you traverse the open ponderosa stands and plains.

Planning your visit

The starting point at Flatiron Crossing offers ample parking, making access straightforward. While the main trails are generally all-weather, be aware that some connecting sections, particularly those near Marshall Mesa, can become muddy after rain or snow. For the best experience and photographic opportunities, consider riding during the early morning or late afternoon to catch the Flatirons bathed in golden light.

Trail details

• Distance: 35.0 miles (56.4 km)
• Elevation gain: 2203 feet (672 metres)
• Difficulty: moderate
• Estimated time: 3 hours and 7 minutes