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Hiking trails & Routes
United States
Oregon
Washington County

Cooper Mountain Nature Park Loop

Easy

3.4

(2)

70

hikers

Cooper Mountain Nature Park Loop

01:04

3.71km

100m

Hiking

Embark on the Cooper Mountain Nature Park Loop, an easy hiking route that guides you through a rich tapestry of landscapes. This 2.3-mile (3.7 km) journey features diverse ecosystems, from tranquil conifer forests to expansive open prairies and shady oak woodlands. You will gain 321 feet (98 metres) in elevation,…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

172 m

Nature House

Highlight • Rest Area

Nature House is located right next to the main parking lot in Cooper Mountain Nature Park. It hosts restrooms and is mainly used for educational programs.

Tip by

2

1.81 km

Cooper Mountain Nature Park

Highlight • Trail

Cooper Mountain Nature Park is situated at the southern side of the mountain of the same name. The area is surrounded by agricultural land and has a natural variety of …

Tip by

B

3.71 km

End point

Parking

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Way Types & Surfaces

Way Types

3.28 km

432 m

Surfaces

3.27 km

357 m

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Friday 10 July

27°C

11°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

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Frequently Asked Questions

What is the terrain like on the Cooper Mountain Nature Park Loop?

The trail primarily features compacted dirt and gravel, though you might encounter sections with larger, loose gravel, pine needles, erosion, and ruts. Many parts of the loop are fairly steep, contributing to significant elevation changes. For a more level experience, the Little Prairie Loop offers a packed natural surface with small gravel, and some portions are even wheelchair accessible.

Is this trail suitable for beginners or families with young children?

The trail system caters to a range of abilities. While some sections of the main loop have prolonged and fairly steep inclines, making them more challenging, the Little Prairie Loop is the shortest and flattest option, with portions designed for wheelchair accessibility. The park also features a nature play area, making it family-friendly.

What kind of scenery and wildlife can I expect to see?

You'll be treated to sweeping vistas of the Tualatin Valley and the Chehalem Mountains. The park showcases diverse habitats, including conifer forests, open prairies, and distinctive oak woodlands. In spring, the prairies are vibrant with native wildflowers. Wildlife viewing opportunities include northern red-legged frogs, western gray squirrels, western bluebirds, great-horned owls, and red-tailed hawks.

Are there any notable features or viewpoints along the trail?

Yes, the park offers impressive views of the surrounding valleys and mountains. Along the trails, you'll find interpretive signage providing educational insights. Unique attractions include benches strategically placed for scenic views, a small pond, and megaphone-shaped listening devices designed to amplify natural sounds. Don't miss the Nature House and the Cooper Mountain Nature Park itself.

Where can I park for the Cooper Mountain Nature Park Loop?

Parking is available at the Cooper Mountain Nature Park trailhead. Specific details regarding parking facilities can often be found on the official park website or local government sites.

Are dogs allowed on the trail?

No, to protect the sensitive ecosystem, dogs (except service animals) are not permitted on the trails within Cooper Mountain Nature Park.

What is the best time of year to hike this loop?

The park offers beauty year-round. Spring is particularly lovely when the prairies burst with native wildflowers. However, the diverse ecosystems provide both sun-drenched paths and shady woodland serenity, making it enjoyable across seasons. Consider visiting in spring for wildflowers or fall for cooler temperatures and changing foliage.

Are there any fees or special regulations for Cooper Mountain Nature Park?

There are typically no entrance fees for Cooper Mountain Nature Park. However, it's always a good idea to check the official Oregon Metro website for the most current information on regulations, such as hours of operation or any temporary closures. Remember, bicycles are also not permitted on the trails.

Does the Cooper Mountain Nature Park Loop connect with other trails?

Yes, the route also passes through sections of the Cooper Mountain Loop, Little Prairie Loop, Cooper Mountain Photo Loop, Blacktail Way, Overlook Trail, and Larkspur Loop, offering opportunities to explore different parts of the park's trail system.

Is there an easier section of the trail for a more relaxed walk?

Yes, if you're looking for a less strenuous experience, the Little Prairie Loop within the park is your best bet. It's the shortest and flattest option, with a packed natural surface and small gravel, and even has portions that are wheelchair accessible.

What should I bring for a hike on this trail?

Given the varied terrain and potential for steep sections, sturdy hiking shoes are recommended. Bring water, especially on warmer days, as there is no water available on the trail. Sun protection is advisable for open prairie sections, and layers are good for adapting to temperature changes between sunny and shaded areas.

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