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Routes
Mountain biking trails
United States
Washington
King County
Issaquah

Grand Ridge Trail

Moderate

2.8

(20)

52

riders

Grand Ridge Trail

02:26

24.0km

560m

Mountain biking

Embark on a moderate mountain biking adventure along the Grand Ridge Trail, a 14.9-mile (24.0 km) route that winds through a lush, deep green forest environment. You'll navigate varied terrain, passing impressive stands of second-growth Douglas firs and distinctive groves of western red cedar. The trail features unique landmarks like…

Last updated: April 23, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 3.09 km for 829 m

Waypoints

A

Start point

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1

6.20 km

Grand Ridge Trail

Highlight (Segment) • Trail

Grand Ridge Route is a fantastic (out-and-back) ride that connects Issaquah with Duthie Hill Park. Beginners will love it!

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24.0 km

End point

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Way Types & Surfaces

Way Types

17.8 km

4.77 km

1.34 km

< 100 m

Surfaces

17.6 km

4.68 km

903 m

532 m

226 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Wednesday 6 May

19°C

11°C

11 %

Additional weather tips

Max wind speed: 15.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of mountain biking the Grand Ridge Trail?

The Grand Ridge Trail is generally rated as moderate, often described as a 'blue' trail. While it features substantial singletrack and rolling terrain, no section is excessively technical. Riders can expect some steeper climbing sections and loose turns on descents, making it a good trail for cross-country workouts and climbing practice.

What kind of terrain can I expect on this route?

You'll encounter diverse terrain, including significant singletrack sections and rolling ridgetops. The trail also features a 600-foot boardwalk and a 40-foot, hand-built bridge. The start often involves a gentle, smoothly paved interurban trail, leading into the forested sections. Be prepared for some loose turns on descents.

Are there any notable natural features or viewpoints along the way?

The trail winds through a deep, green forest environment, showcasing stands of large second-growth Douglas fir, distinctive groves of western red cedar (some over five feet in diameter), and sword ferns. You'll also traverse red alder forests and wetlands, which are headwaters for salmon-bearing Canyon Creek. While there aren't specific 'viewpoints' in the traditional sense, the entire ride offers scenic forest immersion, including the highlight Grand Ridge Trail itself.

Does the trail connect to other mountain biking areas?

Yes, the Grand Ridge Trail is well-known for its connection to Duthie Hill Park, a popular mountain bike skills park. This allows for longer and more varied rides, combining the cross-country nature of Grand Ridge with the technical features of Duthie Hill. The route also passes through sections of the Grand Ridge Trail, Mountains to Sound, and East Fork Trail.

What is the best time of year to mountain bike the Grand Ridge Trail?

The trail is generally accessible year-round, but the best time to visit is typically during the drier months from late spring through early fall. This avoids the wettest periods, which can make some sections muddy and slippery. Always check local weather conditions before heading out.

Is the Grand Ridge Trail dog-friendly?

Yes, the Grand Ridge Trail is a multi-use trail, and dogs are generally allowed. However, it's crucial to keep your dog on a leash at all times and practice responsible pet ownership, including packing out all waste. Remember that the trail is shared with hikers and horseback riders.

Do I need a permit or pay an entrance fee to access Grand Ridge Park or the trail?

For general access to Grand Ridge Park and the trail, there are typically no specific permits or entrance fees required for day use. However, it's always a good idea to check the official King County Parks website for any updated regulations or parking pass requirements, especially if you're parking at designated trailheads. You can find more information on the King County Parks website: kingcounty.gov.

Where can I park to access the Grand Ridge Trail?

Access points with parking are available near Issaquah. A common starting point involves a gentle, smoothly paved interurban trail. If you're riding from Duthie Hill, be aware that it involves a significant ascent to reach the Grand Ridge Trail. Always check local signage and official park websites for designated parking areas and any potential fees or restrictions.

What kind of wildlife might I encounter on the trail?

The rich ecosystem of the Grand Ridge Trail provides habitat for diverse wildlife. While sightings are not guaranteed, you might encounter animals such as bears, cougars, and various owl species. It's important to be aware of your surroundings, make noise, and know how to react if you encounter wildlife.

Are there any cafes, pubs, or accommodation options nearby?

The Grand Ridge Trail is located near Issaquah, Washington, which offers a variety of amenities. After your ride, you can find numerous cafes, pubs, and restaurants in Issaquah for refreshments and meals. There are also several accommodation options available in and around Issaquah, ranging from hotels to guesthouses, if you plan to stay overnight.

Is the Grand Ridge Trail suitable for families or beginner mountain bikers?

While the trail is rated moderate, its diverse terrain and some steeper sections might be challenging for absolute beginners or very young children. However, the initial paved interurban trail sections are quite gentle. For families or beginners, consider starting with shorter sections or exploring the connected Duthie Hill Park, which has dedicated beginner-friendly skills areas. Always assess your group's skill level before committing to the full route.

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