2.6
(3)
96
hikers
02:13
6.78km
330m
Hiking
Hike the moderate 4.2-mile Proctor Mountain Loop in Sun Valley, Idaho, offering scenic views and historical chairlift remnants.
Last updated: February 26, 2026
Waypoints
Start point
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42 m
Highlight • Monument
Tip by
3.95 km
Highlight • Trail
Tip by
6.78 km
End point
Way Types & Surfaces
Way Types
6.77 km
Surfaces
6.77 km
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This route was planned by komoot.
The trail begins wide and flat, then transitions to singletrack with a surface of fine gravel and dirt. You'll experience a varied landscape, including aspen groves, grassy areas with wildflowers, pine woodlands, and scrubby sage. Expect mostly uphill sections initially, with some forested gulches and exposed ridge walks. Be prepared for potential patches of snow, ice, or mud depending on the season.
The loop offers stunning vistas of Bald Mountain, the Sun Valley ski area, and Ketchum. You'll pass by the Hemingway Memorial and what are believed to be the remains of the world's first chairlift, built in 1936 on Proctor Mountain. The Ruud chairlift, another historical operating chairlift, is also found along the descent.
The trail is accessible year-round, but conditions vary. Spring (especially May) offers vibrant green hills and wildflowers. Summer is popular for trail running, while winter attracts snowshoers. Always check current conditions, as exposure to elements means dressing in layers and carrying plenty of water is wise regardless of the season.
The trail is easily accessible from Sun Valley neighborhoods. Parking is typically available near the Ernest Hemingway Memorial, which is a common starting point for the loop.
Yes, the Proctor Mountain Loop is generally dog-friendly. However, always ensure your dog is under control, and it's best practice to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers.
No, there are no specific permits or entrance fees required to hike the Proctor Mountain Loop. It is located within the Sawtooth National Forest, which generally does not charge for day-use hiking. However, always practice Leave No Trace principles.
Many hikers recommend completing the loop counterclockwise. This approach makes the steepest section a downhill part of your hike and keeps the impressive views of Bald Mountain mostly in front of you as you go.
Given the varied terrain and potential for changing conditions, dressing in layers is highly recommended. Always carry plenty of water, especially since the trail gains about 1,000 to 1,100 feet in elevation. Trekking poles can be helpful, particularly if you encounter snow, ice, or mud.
The trail traverses diverse ecosystems, from pine woodlands and aspen groves to grassy meadows. You might spot various wildflowers, especially in spring. Keep an eye out for local wildlife, which can include deer, elk, and a variety of bird species.
While the trail is easily accessible from Sun Valley neighborhoods, direct public transport options to the immediate trailhead might be limited. It's best to check local bus services in Sun Valley and Ketchum for routes that might get you close, or consider a short taxi/ride-share from town.
The Proctor Mountain Loop is generally considered a moderate difficulty hike. While it involves a significant elevation gain, its length (around 3-4 miles) makes it manageable for active beginners or families with older children. Younger children or those new to hiking might find the uphill sections challenging.