4.8
(3542)
19,533
riders
00:36
5.31km
170m
Mountain biking
This 3.3-mile moderate mountain biking loop in McDonald Research Forest offers wooded terrain and views of the Willamette Valley.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
2.16 km
Highlight (Segment) • Monument
Tip by
5.31 km
End point
Parking
Way Types & Surfaces
Way Types
3.01 km
2.26 km
< 100 m
Surfaces
2.84 km
2.31 km
149 m
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Elevation
Highest point (440 m)
Lowest point (280 m)
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Weather
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Today
Wednesday 6 May
21°C
10°C
0 %
Additional weather tips
Max wind speed: 20.0 km/h
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This route was planned by komoot.
You can typically find parking at the Lewisburg Saddle parking area, which serves as a common access point for trails within the McDonald-Dunn Research Forest. Informative map displays and paper handouts are often available at the kiosk there to help with navigation.
The McDonald-Dunn Research Forest, where this trail is located, generally allows dogs. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Always practice Leave No Trace principles.
The trail is known to be "fast and flowy" when dry, suggesting that late spring, summer, and early fall are ideal. During these drier months, you'll also have a better chance to enjoy the views and avoid muddy conditions. Colorful wildflowers bloom in late spring and early summer in the broader area.
Generally, there are no specific permits or entrance fees required to access the trails within the McDonald-Dunn Research Forest, including the Vineyard Mountain Trail Loop. It's managed by Oregon State University and is open to the public.
The Vineyard Mountain Trail Loop is rated as moderate. It features singletrack with a steady ascent of approximately 500 feet towards the summit, followed by a descent with swooping flat to off-camber turns. While some sections can be "easy buff," others involve moderately steep and uneven terrain with small rocks or roots, making it suitable for riders with some experience.
Riding this trail offers an immersive experience within Oregon State University's McDonald Forest, showcasing diverse ecosystems. From the summit of Vineyard Mountain, you can enjoy views eastward into the Willamette Valley. The broader area also offers views of Marys Peak and the Three Sisters mountains.
Yes, this route is a loop. The McDonald-Dunn Research Forest provides informative map displays and paper handouts at the Lewisburg Saddle parking area kiosk, which can assist with navigation. Using a GPS device or the komoot app is also highly recommended to stay on track.
Yes, the Vineyard Mountain Trail Loop is part of a larger 30-mile system of trails within the McDonald-Dunn Research Forest. This specific route incorporates sections of the Vineyard Mountain Trail, Harry J. Nettleton Road, and the Upper Vineyard Mountain Trail, among others.
A notable section of this route is the Upper Vineyard Mountain Trail, which contributes to the overall mountain biking experience. The summit of Vineyard Mountain itself offers rewarding views.
Yes, the trails within the McDonald-Dunn Research Forest are shared-use, meaning you may encounter hikers and horseback riders. Mountain bikers should be aware of and courteous to all other trail users, yielding as appropriate and announcing their presence when approaching.
Given the moderate difficulty and varied terrain, it's recommended to bring a mountain bike with appropriate tires. Essential gear includes a helmet, water, snacks, a repair kit, and navigation tools. Dressing in layers is also advisable due to changing conditions in wooded areas.