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Cooper Mountain Nature Park is a sprawling 231-acre natural oasis situated on the southern edge of Beaverton, Oregon, approximately 30 minutes from downtown Portland. Rising to an elevation of around 122 meters, this park offers expansive vistas of the picturesque Tualatin Valley and the distant Chehalem Mountains. It serves as a vital green space within the Portland metropolitan area, protecting rare upland prairies, white oak woodlands, and conifer forests.
Visitors consistently praise the park for its stunning natural beauty and…
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September 11, 2023
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June 30, 2025
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3.0
(1)
70
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3.71km
01:04
100m
100m
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Elevation 120 m
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No, pets are generally prohibited at Cooper Mountain Nature Park. This policy is in place to protect the sensitive habitats and wildlife within the park, including rare upland prairies and white oak woodlands. Service animals are, of course, permitted.
For a moderate hike, many visitors enjoy combining sections of the Blacktail Way, Copper Mountain Loop, and Overlook Trail. These trails traverse diverse habitats and offer scenic views. While the park has 3.5 miles of trails, some sections feature fairly steep inclines, so be prepared for some elevation changes.
Yes, the park features an accessible 0.75-mile loop called the Little Prairie Loop. This trail offers a flatter experience, making it suitable for wheelchairs, strollers, and those seeking a less strenuous walk.
Cooper Mountain Nature Park is home to a variety of wildlife. Visitors might spot northern red-legged frogs, western gray squirrels, and a range of bird species including western bluebirds, great-horned owls, and red-tailed hawks. The park's diverse habitats, from prairies to woodlands, support this rich biodiversity.
Parking at Cooper Mountain Nature Park can fill up quickly, especially on weekends and during peak seasons like summer. Arriving before mid-morning is strongly recommended to secure a spot, as the lot has limited capacity.
While the park is primarily accessed by car, public transport options are limited. You would need to check local TriMet bus routes for the closest stops, which may still require a significant walk to the park entrance. Planning for a car or ride-share is generally more convenient.
Beyond the sweeping views of the Tualatin Valley, look for the unique listening trumpets, sculptural art installations that amplify the sounds of nature. The park also protects rare upland prairies and white oak woodlands, which are significant ecological communities in the Willamette Valley.
Cooper Mountain Nature Park can be enjoyed year-round. For winter hikes, be prepared for potentially muddy or slippery conditions, especially on the steeper sections of the compacted dirt and gravel trails. Dressing in layers and wearing waterproof, sturdy footwear is advisable.
Cooper Mountain Nature Park is located on the southern edge of Beaverton. While there aren't establishments directly adjacent to the park, you'll find a variety of cafes, restaurants, and accommodation options within a short driving distance in Beaverton and the surrounding areas.
The trails range from easy to moderate. While the Little Prairie Loop is flat and accessible, many other trails feature fairly steep inclines due to the park's hillside location. Hikers recommend wearing good shoes with ankle support, especially for the downhill sections, which can be challenging on the knees. Layered clothing is also advised for changing weather conditions.
The park features a Nature House, which serves as a nature center for educational programs, including guided walks, nature camps, and fitness classes. There's also a Demonstration Garden showcasing native plants and a nature-themed play area for children, making it a great family-friendly destination for learning about local ecology.