Los Lagos Reservoirs

This difficult 30.2-mile touring cycling loop from Nederland offers stunning mountain views and passes Barker Reservoir, with 3569 feet of g

The Jumbo Mountain loop from West Magnolia Trail Head offers a challenging touring cycling experience through a dynamic landscape near Nederland, Colorado. You'll navigate a mix of singletrack and dirt roads, winding through dense pine and aspen forests before opening up to reveal stunning views of the South Boulder Creek valley and distant mountains, including the Indian Peaks. Expect sections with 'chunk and loose rocks' and 'steep and chunky' terrain, especially around the Jumbo Mountain spur, making it a ride that demands strong bike handling skills.

Planning your visit requires careful attention to navigation; the West Magnolia trail system is a maze, so GPS and detailed maps are highly recommended, even with trail signs added in Fall 2020. The route is a difficult 24.9-mile (40.1 km) journey with 3205 feet (977 metres) of elevation gain, typically taking around 3 hours and 43 minutes. Parking is available at the West Magnolia Trail Head, but always verify current conditions and access before heading out.

This area has a 'cult following' among local riders who appreciate its extensive network and varied riding. Historically, the Jumbo Mountain area was part of a network of mining roads, adding a layer of context to your ride. The combination of flowy sections, technical challenges, and diverse scenery ensures an engaging adventure for those seeking a ride off the beaten path, far from the crowds.