Denver Orbital Trail: Deer Creek and South Valley Parks Loop

The difficulty of this loop varies significantly. South Valley Park offers terrain generally suitable for beginning mountain bikers, with mostly flat to uneven sections and some popular blue difficulty singletrack. However, Deer Creek Canyon Park presents a much more challenging landscape, featuring hard climbs, technically demanding steep, and rocky terrain, including the Black Diamond-rated Plymouth Creek Trail. Riders should be prepared for varied conditions and choose sections appropriate for their skill level.

You'll experience diverse terrain. In South Valley Park, expect flowy downhills, some sandy spots, and generally flat to uneven sections. As you move into Deer Creek Canyon Park, the terrain becomes more rugged with significant climbs, steep grades (up to 7-8%), and rocky sections, particularly on trails like 'The Wall' on Plymouth Creek Trail. The route is over 85% off-road, utilizing existing trails.

The best times to mountain bike this loop are generally spring and fall when temperatures are milder. Summer can be very hot, especially in exposed areas, and afternoon thunderstorms are common. Winter riding is possible but depends on snow accumulation, which can make some sections impassable. Always check local weather and trail conditions before heading out.

No, individual mountain bikers typically do not need specific permits or pay entrance fees for general access to Deer Creek Canyon Park or South Valley Park. These are Jefferson County Open Space Parks. However, always check the official Jefferson County Open Space website for any updated regulations or specific event permits that might apply.

There are multiple access points. Common trailheads with parking include those within South Valley Park and Deer Creek Canyon Park. For example, parking is available at the Hildebrand Ranch Park trailhead, which is part of this loop. It's advisable to arrive early, especially on weekends, as parking lots can fill up quickly.

Yes, dogs are generally allowed on trails in both Deer Creek Canyon Park and South Valley Park. However, they must be kept on a leash at all times. Always remember to pack out any waste to help keep the parks clean and enjoyable for everyone.

This loop offers stunning scenery. In South Valley Park, you'll be treated to dramatic red sandstone formations and craggy outcroppings. As you climb into Deer Creek Canyon, the environment transitions to mountain wilderness with incredible vistas. You might also catch a glimpse of the Denver Skyline from certain points. The Hildebrand Ranch Park is also a key point along the trail.

Yes, this loop is a significant part of the larger Denver Orbital Trail. Along its course, it also utilizes sections of the Denver Orbital Trail - Segment 6, Denver Orbital Trail - Segment 5, Black Bear Trail, Two Brands Trail, Cathy Johnson Trail, Red Mesa Loop, Plymouth Creek Trail, Columbine Trail, Grazing Elk Trail, Homesteader Trail, Plymouth Mountain Trail, Coyote Song Trail, Meadowlark Trail, Rattlesnake Gulch Trail, Lyons Back Trail, Pass Trail, Prairie Falcon Trail, Golden Eagle Trail, Scenic View Trail, Prairie Falcon Trail Spur, Swallow Trail, and Valley View Trail.

Yes, it's important to note that the 6-mile Black Bear Trail, which is part of Segment 6 and this loop, is closed annually from February 1 to July 31. This closure is in place to protect nesting raptors. Always check local park advisories for any other temporary or seasonal closures before your ride.

Absolutely. While South Valley Park has easier sections, Deer Creek Canyon Park contains some very challenging parts. The Plymouth Creek Trail, for instance, is rated Black Diamond and features a notoriously steep, rocky section known as 'The Wall.' This part can be difficult to ascend due to its chunky and sometimes dusty surface, requiring advanced technical skills.

Given the varied terrain and length, it's essential to be prepared. Bring plenty of water, snacks, a repair kit (including a spare tube, pump, and multi-tool), a first-aid kit, sun protection (sunscreen, hat), and appropriate layers of clothing. A helmet is mandatory, and protective gear like gloves and knee pads is highly recommended, especially for the more technical sections in Deer Creek Canyon.