3.5
(29)
76
hikers
05:15
15.9km
760m
Hiking
Embark on the Slick Ear Trail for a difficult 9.9-mile (15.9 km) hiking adventure that promises a true wilderness experience. You will gain 2501 feet (762 metres) of elevation over an estimated 5 hours and 15 minutes. The route takes you through varied terrain, following Slick Ear Creek and winding…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Wenaha-Tucannon Wilderness
Waypoints
Start point
Parking
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7.90 km
Highlight • River
Tip by
15.9 km
End point
Parking
Way Types & Surfaces
Way Types
15.9 km
< 100 m
Surfaces
15.9 km
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Elevation
Highest point (1,570 m)
Lowest point (850 m)
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Wednesday 8 July
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This route was planned by komoot.
The Slick Ear Trail is located on the border of the Wenaha-Tucannon Wilderness and Umatilla National Forest. Specific parking details for the trailhead are not provided in the available information, but it is generally accessed from the forest side.
The provided information does not explicitly state whether dogs are allowed or specific leash rules. As it is located within the Wenaha-Tucannon Wilderness, it's advisable to check the official wilderness regulations regarding pets before your visit.
The trail is generally accessible from summer through late fall. Snowfall limits access during other seasons, so planning your hike between summer and late fall will offer the best conditions.
The provided information does not specify any permits or fees for hiking the Slick Ear Trail or within the Wenaha-Tucannon Wilderness. However, it's always recommended to check the latest regulations with the U.S. Forest Service or the relevant wilderness authority before your trip.
This trail is considered difficult and requires very good fitness due to its steep and rugged nature. While the first mile and a half offers a mild slope suitable for beginners, the trail quickly descends aggressively for about half a mile, followed by a steep slope for the next three miles. The return trip involves a strenuous uphill climb with a significant elevation gain of 2,500 to 2,625 feet, making it unsuitable for most beginners beyond the initial section.
The terrain is varied and challenging. You'll find mild slopes through the forest initially, followed by steep descents and ascents. Sections can be loose and rocky. Hikers will also encounter several creek crossings, which can be challenging depending on the season. The last mile, especially near the Wenaha River, is often overgrown with chest-high brush and downed timber, requiring bushwhacking and log-hopping in places.
The Slick Ear Trail is primarily an out-and-back route. While it can be incorporated into larger backpacking loops with other trails like Grizzly Bear Ridge, Sawtooth Ridge, and Dexter Ridge, the standard journey to the Wenaha River and back is an out-and-back.
The trail offers stunning views of the Wenaha-Tucannon Wilderness, especially from the initial milder slopes and ridges. You'll follow Slick Ear Creek, enjoy fall colors, and eventually reach the Wenaha River Access Point, a designated Wild and Scenic River. The river junction provides rewarding scenery and opportunities for camping and fishing.
As the trail offers a genuine wilderness experience deep in the forest, you have opportunities to encounter wildlife such as elk, deer, and evidence of wolf and bear activity. Solitude is also a common highlight for hikers.
The trail follows Slick Ear Creek and involves several creek crossings. Upon reaching the Wenaha River, you'll find a significant water source. However, it's always recommended to carry sufficient water for your hike and filter any natural water sources before consumption.
Be prepared for sections of the trail that are often overgrown with chest-high brush and downed timber, especially near the Wenaha River. Limited maintenance in recent decades contributes to its ruggedness, meaning you may need good route-finding skills and be ready for bushwhacking and log-hopping in places.
Yes, the route also passes through sections of the Slick Ear Trail (100%), Dexter Ridge Trail (10%), Forest Road 4600-301 (3%), and the Wenaha River Trail (3%). This allows for potential connections to larger backpacking loops.
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