Rock Creek and Coal Creek Trail Loop

This loop is generally considered to be of easy to moderate difficulty, making it suitable for a wide range of cyclists, including beginners. While mostly flat, there is one short, fairly rigorous climb near the Aquarius Trailhead on the Louisville/Lafayette border. The overall physical rating is often described as easy, though some gravel sections might require good fitness.

The route primarily features a soft surface of crushed and compacted gravel. You'll also encounter significant paved sections, dedicated cycleways, and some singletrack. Cyclists should be aware that very skinny tires might find the soft surface challenging. The Rock Creek Trail portion is a 12-mile car-free route.

You'll enjoy appealing views following the natural contours of Coal Creek and Rock Creek. Expect rolling green grass, interspersed trees, and a small pond within Frank Varra Park. Highlights include amazing mountain vistas and expansive open landscapes, especially from the View to Davidson Mesa Open Space. Along the Coal Creek section, you'll see streams and a small waterfall. The route also passes through the Carolyn Holmberg Preserve at Rock Creek Farm, offering opportunities for wildlife viewing.

The trail traverses open spaces like the Rock Creek Open Space and the Carolyn Holmberg Preserve at Rock Creek Farm, providing opportunities for wildlife viewing. You might spot coyotes and various bird species. Historical markers, pumpkin patches, and longhorn cattle also add to the visual interest.

Parking is available at various trailheads along the loop. Key trailheads like Stearns Lake and Coalton offer amenities including restrooms and picnic shelters. Trailheads typically close at sunset.

Yes, dogs are generally allowed on the Rock Creek and Coal Creek Trail Loop, but they must be kept on a leash. Always follow local regulations and signage regarding pet policies in Boulder County Open Space areas.

The trail is enjoyable throughout much of the year. It's particularly stunning in the fall when the foliage displays vibrant colors. It's also a good choice for cycling in wet weather, as it tends to remain rideable when other trails might be closed due to muddy conditions.

No, you do not need any special permits or have to pay entrance fees to cycle the Rock Creek and Coal Creek Trail Loop. It is part of a regional trail system developed for public recreational use.

Yes, restrooms and picnic shelters are available at key trailheads such as Sterns Lake and Coalton. These facilities provide convenient stops during your ride.

Yes, this trail system seamlessly connects with the US 36 Bikeway, offering extended cycling possibilities. The loop itself incorporates sections of the Rock Creek Trail and the Coal Creek Trail, and also passes through parts of the Marshall Mesa and Meadowlark Trail systems.

Horseback riding is permitted on the Rock Creek Trail portion of the loop. However, equestrians are generally not allowed on the majority of the Coal Creek Trail due to local regulations. Please observe all signage.