08:33
32.4km
300m
Hiking
Hike the difficult 20.1-mile Peterson Ridge Trail Long Loop in Deschutes National Forest, featuring panoramic mountain views and varied terr
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Whychus Creek Wild and Scenic River (Scenic Area)
Deschutes National Forest
Waypoints
Start point
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1.69 km
Highlight (Segment) • Trail
Tip by
16.3 km
Highlight • Viewpoint
Tip by
16.7 km
Highlight • Viewpoint
Tip by
32.4 km
End point
Way Types & Surfaces
Way Types
28.6 km
3.65 km
138 m
< 100 m
Surfaces
28.2 km
3.06 km
832 m
153 m
< 100 m
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Elevation
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Weather
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Sunday 12 July
31°C
11°C
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This route was planned by komoot.
The Peterson Ridge Trail Long Loop is located near Sisters, Oregon. There are several access points to the Peterson Ridge Trail system, and you'll find dedicated trailhead parking available. It's a popular area, so arriving earlier in the day is often recommended, especially on weekends.
Yes, the Peterson Ridge Trail system is generally dog-friendly. However, as it's a multi-use trail popular with mountain bikers and equestrians, it's crucial to keep your dog on a leash and under control to ensure safety for all users and wildlife. Always pack out any waste.
The Peterson Ridge Trail Long Loop is enjoyable in spring, summer, and fall. Spring brings wildflowers, while fall offers pleasant temperatures and changing foliage. Summer can be warm and dusty, so an early start is advisable. Winter conditions can vary, with snow and ice possible, which might make some sections challenging.
For day-use access to the Peterson Ridge Trail Long Loop within the Deschutes National Forest, a specific permit or entrance fee is generally not required. However, always check the latest regulations from the U.S. Forest Service before your visit, especially if you plan to park at a developed trailhead that might require a recreation pass.
The terrain is varied. The initial section off pavement can be uneven and rocky before leveling out. Overall, it features mostly single-track trails and some old forest service roads. You'll encounter technical obstacles like rocks and roots, especially at higher elevations. During summer, the trail can be dusty.
You'll experience diverse scenery, from thinned trees and open areas with manzanita bushes to ponderosa pine forests and old-growth juniper. The trail parallels the Whychus Creek canal in parts. Keep an eye out for wildlife, especially in the quieter sections. As you climb, panoramic mountain views of peaks like South Sister, Mt. Jefferson, and Broken Top open up to the west.
Yes, the trail offers several scenic overlooks. You'll pass by the River Information Viewpoint and the Whychus Creek Scenic Overlook. Other viewpoints, like Peak View Overlook and Peterson Ridge Overlook, provide expansive mountain vistas of the surrounding Cascade peaks.
Given its length of over 32 km (20 miles) and some technical sections with rocks and roots, the Peterson Ridge Trail Long Loop is generally considered to be of difficult difficulty for hiking. While much of the trail is relatively level, its overall distance and some challenging parts make it more suitable for hikers with moderate to advanced experience rather than beginners.
Yes, the Peterson Ridge Trail Long Loop is part of an extensive network. This route specifically utilizes sections of the Peterson Ridge Trail, Whychus Creek Trail, Whychus Creek Overlook Trail #4069, Cougar Draw Trail #4071, and several National Forest Development Roads (e.g., 1608-600, 1608-200, 1608-500). The system's 'ladder design' allows for many connections and customizable loops.
The Peterson Ridge Trail system is uniquely designed with parallel East and West legs connected by numerous cross trails. This 'ladder system' allows users to easily customize their route, creating loops of varying lengths and difficulties. The trails are well-signed with numbered junction posts, making navigation straightforward even with the many intersecting paths.
During winter, the Peterson Ridge Trail Long Loop can experience snow and ice, especially at higher elevations or during colder periods. While some sections might remain accessible, others could become challenging or impassable without appropriate gear like snowshoes or microspikes. Always check local weather and trail conditions before heading out in winter.
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