Alderfer/Three Sisters Park Loop

The loop typically starts and ends at the Alderfer/Three Sisters Park East Trailhead. This trailhead offers ample parking, but it can get very busy, especially on weekends. Arriving early is highly recommended to secure a spot.

This specific loop is rated as moderate. While much of the trail is manageable, it does include sections with gradual inclines and some rocky terrain, particularly on the initial ascent along the Sisters Trail, which can be more demanding. Overall, it's suitable for hikers with some experience.

The terrain is quite varied. You'll encounter smooth, packed dirt paths, but also rocky sections with roots that require careful footing. The route traverses through dense timber, wide-open meadows, and features switchbacks. Some areas might be looser and sandier, especially on the southern side of the park.

Yes, dogs are generally welcome in Alderfer/Three Sisters Park. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other park visitors. Please remember to pack out any waste.

No, there are no entrance fees or permits required to access Alderfer/Three Sisters Park or to hike this loop. It is a publicly accessible park.

The Alderfer/Three Sisters Park Loop is a year-round destination. Spring and fall offer pleasant temperatures and beautiful scenery, with wildflowers in spring and vibrant foliage in autumn. Summer is also popular, but can be hot. In winter, the trail is still accessible, but snowshoes or microspikes may be recommended depending on snow conditions.

You'll encounter several notable features. The Sisters Trail Summit offers great views, and the Three Sisters Viewpoint provides panoramic vistas. The prominent 'Three Sisters' rock formations are a distinctive landmark. You'll also pass by the Silver Fox Trail and the Silver Fox Bench, which can be a nice spot to rest.

The park is home to a variety of wildlife. Hikers often spot deer and elk, especially during dawn or dusk. Keep an eye out for smaller animals like foxes. While less common, black bears are also present in the park, so it's always wise to be bear-aware.

Yes, this loop is part of a larger network of trails within Alderfer/Three Sisters Park. This specific route incorporates sections of the Mountain Muhly Trail and the Sisters Trail, allowing for varied scenery and terrain.

Due to its popularity and accessibility from Denver, the park can get very crowded, especially on weekends. To enjoy a more peaceful experience and ensure parking, aim to start your hike early in the morning or consider visiting on a weekday.