Ranch Lake loop from Jamestown

If you're looking for a road cycling route that offers a good workout without being overly punishing, the Ranch Lake loop from Jamestown is a solid choice. This easy 23.6-mile (37.9 km) ride packs in 968 feet (295 metres) of elevation gain, taking about 1 hour and 46 minutes to complete, making it a great option for a quick, satisfying spin.

What to expect on Ranch Lake loop from Jamestown

This route offers a diverse journey, blending the challenging, tree-covered mountain roads around Jamestown with the gentler, open landscapes near Boulder Valley Ranch. You'll navigate winding canyon roads, potentially alongside creeks like Lefthand Creek, before transitioning to continuous water and mountain views around the Boulder Reservoir. Keep an eye out for the iconic Flatirons in the distance as you pass through rolling farmland with barns and horses. While the overall difficulty is rated easy, expect some varied terrain, particularly if the route includes sections climbing out of Boulder Valley towards Jamestown, making it ideal for road cyclists who appreciate a mix of gentle and more demanding sections.

Planning your visit

The ride to Jamestown is a classic Boulder County road cycling experience, popular from late spring through early autumn, though the Boulder Valley Ranch area is accessible year-round and dries quickly after snow. For refreshments, the Jamestown Mercantile Café is a traditional stop, and you'll find public restrooms and picnic spots at the Boulder Reservoir. Always check local conditions, especially for weather, as the mountain sections can differ from the valley.

Trail details

• Distance: 23.6 miles (37.9 km)
• Elevation gain: 968 feet (295 metres)
• Difficulty: easy
• Estimated time: 1 hours and 46 minutes