Ptarmigan Peak Trail

The trail begins above the town of Silverthorne, Colorado. Parking is typically available at the trailhead, which is the starting point for this route.

Yes, dogs are allowed on the trail. However, as portions of the trail enter the Ptarmigan Peak Wilderness Area, dogs are often required to be on a leash within this designated wilderness.

The trail is best enjoyed during late spring, summer, and early fall when the snow has melted and wildflowers are in bloom. Views are generally clearest during these months. Winter conditions can make the trail challenging and require specialized gear.

Generally, no specific permit or entrance fee is required for day use on the Ptarmigan Peak Trail. However, as it is located within the White River National Forest and enters the Ptarmigan Peak Wilderness Area, standard wilderness regulations apply. These often include Leave No Trace principles, restrictions on motorized vehicles (mountain biking is not allowed within the wilderness area), and leash requirements for dogs. For detailed regulations, it's always best to check the official USDA Forest Service website.

No, this trail is generally considered difficult and is not recommended for beginner joggers. It features a substantial and continuous elevation gain, with one description noting a 3500-foot ascent over six miles, and is rated as 'Hard' physically. It's best suited for experienced joggers looking for a challenging mountain run.

The terrain varies significantly. It starts with grassy hills and aspen groves, then transitions into a forested area with trickling brooks and wildflowers. Higher up, it ascends an expansive ridge above the treeline. Portions are described as a 'steep uphill stretch' and a 'slightly rocky trail,' consisting mainly of singletrack.

You'll be treated to diverse and expansive views. Lower down, expect unobstructed vistas of Lake Dillon and the Tenmile Range. As you climb, gaps in the trees reveal the Gore Range. Above treeline, the ridge offers 'bird's-eye views across Summit County' and panoramic vistas of the Continental Divide, Gore Range, Tenmile Range, and Williams Fork Range. Notable viewpoints include the Top of Angler Mountain Trail and the Ptarmigan Loop Trail Overlook – View of Tenmile Range and Eagles Nest Wilderness.

For a reasonably fit jogger, the ascent to the summit can take around 2 hours and 47 minutes for approximately six miles. The full out-and-back route, which is nearly 20 km (12.4 miles) with over 1100 meters (3600 feet) of elevation gain, typically takes around 3 hours and 50 minutes to complete.

Yes, the route also passes through sections of the CDT iiyST, CDT ilcST, Ptarmigan Loop Trail, Angler Mountain Trail, Ptarmigan Pass Trail, and Ute Peak Trail.

While specific wildlife sightings are never guaranteed, mountain trails in Colorado like this one are home to various species. Keep an eye out for birds, including the trail's namesake ptarmigan, as well as deer, elk, and smaller mammals. Always maintain a respectful distance and do not feed wildlife.

Be prepared for a continuous and significant uphill climb, especially the 'steep uphill stretch' above the treeline. The summit, Ptarmigan Peak, is known to be broad and windy, so bring layers even on warm days. Starting early is advisable to avoid afternoon thunderstorms, which are common in the Colorado mountains during summer.