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Alderfer/Three Sisters Park: Evergreen's Natural Gem

4.8 (96)

Explore Evergreen's natural beauty with hiking, climbing, and stunning views at Alderfer/Three Sisters Park. A Front Range treasure.

Alderfer/Three Sisters Park, near Evergreen, Colorado, offers stunning vistas, unique rock formations, and over 15 miles of trails across 1,127 acres. It's a popular destination for hiking, rock climbing, and enjoying the outdoors.

A brief summary to Alderfer/Three Sisters Park West Summit Trail

  • Monday 6 am-7 pm
  • Tuesday 6 am-7 pm
  • Wednesday 6 am-7 pm
  • Thursday 6 am-7 pm
  • Friday 6 am-7 pm
  • Saturday 6 am-7 pm
  • Sunday 6 am-7 pm
Eve
From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Alderfer/Three Sisters Park West Summit Trail.

  • Download a trail map before you go, as the trail network can be confusing.
  • Arrive early, especially on weekends, as the park can get busy.
  • Bring plenty of water, especially for longer hikes.
  • Be aware of wildlife, including snakes, and keep a safe distance.
  • Check for trail closures and construction updates before your visit.

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Getting There

  • Driving

    From downtown Evergreen, head west on CO-73 N/Evergreen Parkway. Continue for approximately 3 miles, then turn left onto S Le Masters Rd. The Alderfer/Three Sisters Park West Trailhead will be on your left. Parking is free, but limited, and the West Trailhead is closed from May 2025 to January 2026 for improvements. Consider using the East Trailhead during this time. No fees are required to enter the park.

  • Walking

    From central Evergreen, walking to the West Trailhead is possible but not recommended due to the distance (approximately 3 miles) and lack of dedicated pedestrian paths along Evergreen Parkway (CO-73). If walking, use extreme caution and be aware of traffic. There are no costs associated with walking.

Discover more about Alderfer/Three Sisters Park West Summit Trail

Alderfer/Three Sisters Park, located near the heart of Evergreen, Colorado, is a captivating natural space named for the distinctive 'Three Sisters' and 'The Brother' rock formations. The park boasts over 15 miles of trails, offering the highest trail density of any foothills park in the area. These trails wind through diverse terrains, including meadows, ponderosa pine forests, and rocky landscapes, providing varied experiences for hikers of all skill levels.The park's history is rooted in ranching, with the Alderfer family operating a working ranch on the land until 1988. The Alderfer Ranch was homesteaded in 1873 by James Hester and operated as cattle and logging operations until 1894 when the original house and barn were destroyed by fire. George Dollison built the present house and barn. The house, barn, and 240 acres were purchased by EJ and Arleta Alderfer for $8,000 in 1945. Remnants of this past, like the historic Alderfer Barn, add to the park's charm. The land was acquired by Jefferson County through purchases and donations between 1977 and 2005 and turned into a public park.Visitors can enjoy a range of activities, including hiking, trail running, rock climbing, and picnicking. Popular trails include the Three Sisters Trail, a challenging 6.4-mile loop, and the Evergreen Mountain Trail, a shorter, easier 4.8-mile loop. The park is also known for its wildlife, including deer, elk, and foxes. From the summit of Evergreen Mountain, hikers are rewarded with views of the Mount Evans Wilderness, the Denver skyline, and Evergreen Lake.Currently, the West Trailhead is undergoing improvements, including parking lot expansion and restroom replacement, with closures expected from May 2025 to January 2026.
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