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Hiking trails & Routes
United States
Oregon
Multnomah County
Portland

Linnton and Keyser Trail Loop

Easy

4.6

(9056)

9,057

hikers

Linnton and Keyser Trail Loop

01:27

4.29km

220m

Hiking

Hike the easy 2.7-mile Linnton and Keyser Trail Loop in Portland's Forest Park, gaining 719 feet through lush forest to a waterfall.

Last updated: February 26, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

17 m

Waterfall along the Linnton Trail

Highlight (Segment) • Waterfall

The Linnton Trail starts climbing right away from St. Helens Road in Linnton to the upper trailhead in Linnton Park. The trail is tucked in the trees nearly the whole way; it follows along a creek at the start that displays some cascading waterfalls during the rainy season.

Tip by

2

2.20 km

Linnton Park is nestled within the larger Forest Park just outside of Portland. There are multiple trails that run through the property and a parking lot and trailhead in the middle of the park. These trails are super popular for mountain biking, trail running, and hiking, so you'll probably see other people out on the trails.

Tip by

B

4.29 km

End point

Bus stop

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Way Types & Surfaces

Way Types

4.27 km

< 100 m

Surfaces

4.27 km

< 100 m

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Elevation

Elevation

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Weather

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Monday 8 June

15°C

10°C

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Frequently Asked Questions

How challenging is the Linnton and Keyser Trail Loop?

This specific loop is rated as easy, making it accessible for many hikers. However, the area within Forest Park, particularly the Linnton Trail, is known for significant elevation changes and can have steep sections with rocks and roots. Be prepared for potentially muddy conditions, especially after rain.

Where can I park for the Linnton and Keyser Trail Loop?

The Linnton trailhead is easily accessible. While specific parking details aren't provided, Forest Park trailheads generally offer limited street parking or small lots. It's advisable to arrive early, especially on weekends, to secure a spot.

Is the trail dog-friendly?

Yes, Forest Park trails, including this loop, are generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Please remember to pack out any waste.

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

The lush, Pacific Northwest forest scenery is beautiful year-round. Spring offers vibrant greenery and blooming plants, while fall brings colorful foliage. Summer provides drier conditions, and winter can be peaceful, though trails may be muddier. Always check the weather forecast before heading out.

Do I need a permit or pay an entrance fee for Forest Park?

No, there are no entrance fees or permits required to access Forest Park or hike the trails within it, including the Linnton and Keyser Trail Loop. It's a public park managed by the City of Portland.

What can I see along the route?

You'll be immersed in a lush, dense forest environment typical of the Pacific Northwest. Highlights include a waterfall along the Linnton Trail and the scenic Linnton Park Trail in Forest Park. The trails often follow ridges with small waterfalls, and from higher elevations, you might catch glimpses of the Willamette River.

Does this loop connect with other trails in Forest Park?

Yes, this loop is part of the extensive Forest Park trail system. The route incorporates sections of the Wildwood Trail, Northwest Firelane 10 Road, Keyser Trail, Linnton Park Trail, and Northwest Newton Road. This allows for possibilities to extend your hike if desired.

What kind of terrain should I expect?

Expect a natural forest path with significant elevation changes, including switchbacks. The trail can be steep in sections and may feature rocks, roots, and potentially muddy conditions, especially after rainfall. Sturdy footwear is recommended.

Is this a good trail for beginners?

Given its 'easy' rating and relatively short distance of approximately 4.3 km, this specific loop can be suitable for beginners who are comfortable with some elevation gain. However, be aware that the general area can be steep and rugged, so come prepared with appropriate footwear.

Are there any amenities near the trailhead?

The Linnton neighborhood, while close to the trailhead, is primarily residential. For cafes or other amenities, you would likely need to venture a bit further into Portland's urban areas. It's best to bring your own water and snacks.

What regulations should I be aware of when hiking in Forest Park?

Forest Park has several regulations to preserve its natural beauty and ensure visitor safety. These include staying on marked trails, packing out all trash, keeping dogs on leash, and respecting wildlife. Bicycles are generally restricted to specific firelanes and paved paths, not singletrack hiking trails.

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