Lagerman Agricultural Preserve and Boulder Reservoir loop

This loop is rated as moderate, offering a good workout for touring cyclists. It typically takes about 2 hours and 20 minutes to complete the approximately 30.2-kilometer (18.8-mile) route.

The route features a mix of surfaces. You'll primarily encounter well-graded crushed gravel and dirt roads, with some sections being paved, especially around the Boulder Reservoir and connecting areas. It's ideal for those looking to "grind some gravel and avoid cars" on relatively quiet roads.

Access to the Lagerman Agricultural Preserve itself does not typically require a fee. However, the Boulder Reservoir area, which is part of the loop, may have entrance fees, especially for parking or certain activities. It's advisable to check the official Boulder Parks and Recreation website for current regulations and fees, particularly for non-Boulder County residents, before your visit.

The loop is enjoyable through much of the year. Spring and fall offer pleasant temperatures and beautiful scenery with changing foliage or wildflowers. Summer is also popular, but be prepared for warmer weather. Winter cycling is possible, but conditions can vary, with potential for snow or ice on unpaved sections, so check weather conditions beforehand.

Yes, the Lagerman Agricultural Preserve is a popular spot for dog-walkers. However, specific leash laws and regulations may apply, especially within the preserve and around the Boulder Reservoir. Always ensure your dog is under control and adhere to any posted signage regarding pets.

Cyclists can enjoy picturesque views of the foothills, expansive farms, and agricultural fields. You'll also catch glimpses of the Flatirons in the distance and experience the wetlands and the large body of water at Boulder Reservoir. The preserve is home to diverse wildlife, especially various bird species, and features a mix of grasses, wildflowers, and trees.

Yes, the route incorporates sections of several other paths. You'll find yourself on parts of the Longmont-to-Boulder (LOBO) Regional Trail, the Boulder Feeder Canal, the Lagerman Trail, and the Eagle Trail, among others. These connections offer a varied cycling experience and potential for extending your ride.

Parking is available at various points around the loop. Many cyclists choose to park near the Lagerman Agricultural Preserve or at designated parking areas around the Boulder Reservoir. Check local signage for any parking fees or restrictions, especially at the reservoir.

While the route itself is primarily natural and agricultural, the areas around Boulder Reservoir and nearby Longmont offer amenities such as restrooms, cafes, and restaurants. It's a good idea to bring your own water and snacks, especially for the more remote sections of the preserve.

This loop is excellent for touring cyclists due to its blend of well-maintained gravel and paved sections, offering a diverse riding experience. It provides a chance to experience the natural beauty and agricultural heritage of Boulder County on relatively quiet roads, with scenic views of the foothills and the Flatirons, making it a rewarding moderate ride.