Cooper Mountain Loop

Just minutes from downtown Beaverton, the Cooper Mountain Loop Trail offers a perfect blend of open prairie, oak savanna, and forested hillside, all set within the Cooper Mountain Nature Park. This family-friendly loop provides beautiful views of the Tualatin Valley and is one of the best places in the Portland metro area to experience native Oregon landscapes in a peaceful, well-maintained setting.

Trail Overview

• Location: Cooper Mountain Nature Park, 18892 SW Kemmer Rd, Beaverton, Oregon

• Surface: Gravel and compact dirt

• Difficulty: Easy to moderate

• Best Time to Visit: Spring through fall (especially for wildflowers and clear valley views)

The Cooper Mountain Loop connects multiple trails within the park—Little Prairie Loop, Overlook Trail, Cooper Mountain Loop, and Blacktail Way—offering a diverse route that winds through meadows, past interpretive signs, and up to scenic overlooks with panoramic views. The trail is popular for hiking, birdwatching, and peaceful nature walks.

Hours of Operation

• Open daily from dawn to dusk

Parking & Trail Access

• Free parking at the Cooper Mountain Nature Park main entrance off SW Kemmer Rd

• Restrooms and a water fountain are available near the trailhead

• Trail signage and park maps are posted at key intersections

Permits & Fees

• No permits or fees are required to hike or park at Cooper Mountain

Are Dogs Allowed?

• No, dogs are not allowed on any trails in Cooper Mountain Nature Park, in order to protect sensitive wildlife habitats and ground-nesting birds

ADA Accessibility

• Some short, paved segments near the entrance are ADA-accessible, but the full loop contains gravel paths with moderate elevation change and is not fully ADA-compliant

What to Bring

• Comfortable walking or trail shoes

• A water bottle—there is limited shade in open areas

• Binoculars for birdwatching (this is a hotspot for kestrels, bluebirds, and seasonal migrants)

• Sunscreen and hat for sunny days

• A camera for sweeping views and wildflower displays in spring