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Hiking trails & Routes
United States
Washington
King County

Grand Ridge and Duthie Hill Loop

Moderate

3.4

(11)

54

hikers

Grand Ridge and Duthie Hill Loop

04:20

14.8km

410m

Hiking

Hike the moderate 9.2-mile Grand Ridge and Duthie Hill Loop through a lush Red Cedar forest with varied terrain and wetlands.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

37 m

Duthie Hill Park Trailhead

Highlight • MTB Park

This is the main trailhead of Duthie Hill Park. Just a short ride on the Connector Trail and you'll reach the 6 mile trail network. Riders of all ages and …

Tip by

2

2.21 km

Grand Ridge Trail

Highlight (Segment) • Trail

3

7.48 km

Flowing Fur Loop

Highlight (Segment) • Trail

It offers a well-maintained path with a gradual incline, surrounded by a dense forested environment. It also provides a pleasant hiking experience with its serene ambiance.

Tip by

B

14.8 km

End point

Parking

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Way Types & Surfaces

Way Types

12.6 km

1.92 km

302 m

< 100 m

Surfaces

12.6 km

1.52 km

697 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.

Highest point (360 m)

Lowest point (120 m)

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Weather

Powered by Foreca

Friday 10 July

27°C

12°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

Where can I park to access the Grand Ridge and Duthie Hill Loop?

The primary access point for this loop is the Duthie Hill Park Trailhead. There is a dedicated parking lot available there.

Are dogs allowed on the trail?

Yes, this is a multi-use trail system, and dogs are permitted. Please ensure your dog is kept on a leash and that you clean up after them to maintain a pleasant experience for all users.

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

The Grand Ridge and Duthie Hill Loop is accessible year-round. While it's generally enjoyable in all seasons, be aware that the Grand Ridge section may take a couple of days to drain properly after heavy rains. For the most comfortable experience, consider hiking during drier periods.

Are there any permits or entrance fees required for Grand Ridge Park?

No, there are typically no permits or entrance fees required to access the trails within Grand Ridge Park or Duthie Hill Park.

How long does it typically take to hike the Grand Ridge and Duthie Hill Loop?

This loop is approximately 14.8 kilometers (9.2 miles) long. On average, hikers can expect to complete the entire loop in about 4 to 5 hours, depending on their pace and how often they stop.

What is the terrain like on the Grand Ridge and Duthie Hill Loop?

The terrain is quite varied. The Grand Ridge sections feature largely rolling singletrack, with some hilly and steeper climbing sections. You'll encounter well-maintained paths, a 40-foot hand-built bridge over Canyon Creek, and a 600-foot boardwalk through wetlands. The Duthie Hill portions, while primarily a mountain bike park, offer perimeter trails that can range from smooth to sections with roots and rocks.

What kind of scenery and natural features can I expect to see?

You'll be immersed in a beautiful, mature Red Cedar forest with diverse tree species and a robust understory. The trail also offers views of Canyon Creek, known as a spawning ground for steelhead and cutthroat trout, and various wetlands. It's a serene, natural forest environment.

Does this loop intersect with other trails?

Yes, the route incorporates significant portions of the Grand Ridge Trail and the Flowing Fur Loop. You will also traverse sections of the Spruce Coaster Trail, Sam Dog Creek Trail, and Len's Trail, among others.

What should hikers know about sharing the trail with mountain bikers?

This is a multi-use trail system. While the Duthie Hill Park Trailhead area is predominantly a mountain bike park, hikers are welcome on perimeter trails. On the Grand Ridge sections, mountain bikers are generally expected to yield to hikers, and both yield to horses. Always be aware of your surroundings and communicate politely with other trail users.

Is the Grand Ridge and Duthie Hill Loop suitable for beginners?

The Grand Ridge section is generally rated as easy to moderate for hiking, making it suitable for beginners with a reasonable level of fitness. The full loop includes some moderate climbs. While Duthie Hill is a mountain bike park, its perimeter trails offer varying difficulties, so beginners should stick to the easier, well-marked paths.

What wildlife might I encounter on the trail?

The park provides habitat for various forest creatures. Keep an eye out for local wildlife such as owls, chipmunks, and various bird species. While less common, the area is also home to larger animals like bears and cougars, so it's always wise to be aware of your surroundings.

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