4.5
(9119)
9,399
hikers
05:56
17.0km
940m
Hiking
Hike the difficult Whetstone Mountain Trail in Opal Creek Wilderness for 10.6 miles, gaining 3082 feet to panoramic summit views.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Opal Creek Wilderness
Willamette National Forest
Waypoints
Start point
Parking
Get Directions
8.45 km
Highlight • Summit
Tip by
17.0 km
End point
Parking
Way Types & Surfaces
Way Types
14.7 km
2.07 km
195 m
Surfaces
14.7 km
1.55 km
246 m
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Elevation
Highest point (1,450 m)
Lowest point (540 m)
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Weather
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Today
Wednesday 8 July
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8°C
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Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
The Whetstone Mountain Trail can be accessed from multiple starting points. While specific parking details for each trailhead are not provided, hikers typically find parking at designated trailheads within the Willamette National Forest. It's advisable to check local forest service websites or recent trail reports for the most current parking information and road conditions.
Yes, the Whetstone Mountain Trail is generally dog-friendly. However, as it is located within the Opal Creek Wilderness, it's crucial to follow all wilderness regulations, which typically include keeping dogs on a leash to protect wildlife and ensure a pleasant experience for all hikers. Be aware that some sections can be rocky or brushy, which might be challenging for pets.
The best time to hike the Whetstone Mountain Trail is typically during the late spring, summer, and early fall months when the weather is drier and snow has melted from higher elevations. Summer offers wildflowers, but some sections can be brushy. Always check current weather and trail conditions before heading out, especially after the 2020 fires which have altered some areas.
The Whetstone Mountain Trail is located within the Opal Creek Wilderness in the Willamette National Forest. While there might not be a specific entrance fee for the wilderness area itself, some trailheads or parking areas within the National Forest may require a recreation pass (such as a Northwest Forest Pass or America the Beautiful Pass). It's best to check the USDA Forest Service website for the most up-to-date information on permits and fees for the Willamette National Forest.
The Whetstone Mountain Trail is generally rated as difficult due to its length (over 17 km) and substantial elevation gain (over 900 meters). It features steady climbs, numerous switchbacks, and steep inclines. While some shorter, moderate approaches exist, the full trail is not recommended for beginners. Hikers should have good physical fitness and experience with challenging terrain.
The terrain is diverse and challenging. It can start with a descent into a damp forest, followed by a steady climb with many switchbacks and steep sections. Hikers will encounter brushy areas, especially at the beginning, and significant downed trees and fireweed due to the 2020 fires. The footing can be poor in some areas, particularly near the summit, with rocky outcroppings and narrow sections. Few water sources are available along the ridge.
From the Whetstone Mountain Summit, you can expect truly panoramic vistas. On clear days, views can stretch approximately 225 miles, encompassing the heart of the Old Cascades, many new volcanic peaks along the crest, and even Mount Rainier to Diamond Peak. It offers a "birds-eye view" of the entire Opal Creek Wilderness, with glimpses of Mt. Hood near the top.
Yes, the trail offers several notable features. The summit once housed a fire lookout, and its foundation is still present. The route itself follows an ancient "Mollala trail," tracing the divide between the Santiam and Clackamas drainages. You'll also observe the unique post-fire landscape, showcasing the impact and recovery from the 2020 Beachie Creek and Lionshead Fires, with areas of downed trees and fireweed. Pikas can sometimes be heard in the moist woods.
Yes, the route primarily follows the Whetstone Mountain Trail #3369. It also passes through sections of Forest Road 2209 and a short segment of the Whetstone Mountain summit trail. The Whetstone Mountain Trail (specifically Trail 546) connects to other popular trails, providing access to destinations like Twin Lakes and Silverking Lake for longer excursions.
Water sources are limited, especially along the ridge sections of the trail. It is highly recommended to carry sufficient water for your entire hike, as you may not find reliable sources for filtering or refilling. Always plan for more water than you think you'll need, particularly on a difficult and long hike like this one.
The area was significantly impacted by the 2020 Beachie Creek and Lionshead Fires. This has altered trail conditions, leading to sections with significant downed trees, brushy growth, and fireweed. Some portions may be difficult to follow, or the trail tread might have disappeared completely. Always be prepared for route-finding challenges and potential obstacles, and check recent trail reports before your visit.
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