4.5
(7799)
7,800
hikers
00:50
3.14km
30m
Hiking
Hike the easy 1.9-mile Trillium Trail Loop in Redmond Watershed Preserve, featuring lush forests and a picturesque wooden bridge.
Last updated: February 26, 2026
Waypoints
Highlight • Trail
Tip by
340 m
Highlight • Trail
Tip by
3.14 km
End point
Parking
Way Types & Surfaces
Way Types
2.10 km
987 m
< 100 m
Surfaces
1.65 km
970 m
457 m
< 100 m
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Elevation
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Weather
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Today
Thursday 7 May
18°C
9°C
17 %
Additional weather tips
Max wind speed: 6.0 km/h
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This route was planned by komoot.
The Trillium Trail Loop is an easy hike, typically taking around 50 minutes to complete. This estimate is for continuous walking and does not include stops for enjoying the scenery or wildlife.
This trail is rated as easy, making it suitable for most hikers, including beginners and families. It features gentle terrain with minimal elevation changes.
The trail can be accessed from multiple points within the Redmond Watershed Preserve. Key access points include the Trout Loop Trail Trailhead and the Trillium Trail Trailhead. Parking is available at designated areas within the preserve.
Yes, dogs are generally permitted on the Trillium Trail Loop. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to clean up after your pet.
The Trillium Trail Loop is enjoyable year-round. Spring offers lush greenery and blooming trillium flowers, while autumn provides beautiful fall foliage. Summer is pleasant for shaded walks, and winter can offer a serene, quiet experience, though conditions may vary.
The trail features a mix of natural surfaces, winding through a lush forest environment. You'll encounter towering Douglas firs and western red cedars, with moss often covering parts of the trail. The path is generally well-maintained and easy to navigate.
The Trillium Trail Loop is rich in Pacific Northwest flora and fauna. Hikers can spot various native trees, shrubs, and ground-covering plants, including the namesake trillium flowers in spring. Wildlife sightings may include deer and a variety of bird species.
Yes, the route intersects with several other trails within the Redmond Watershed Preserve. You'll find sections that overlap with the Trillium Trail, Pipeline Regional Trail, Treefrog Loop Trail, and PSE Trail, offering opportunities to extend or vary your hike.
Generally, there are no entrance fees or permits required for day use at the Redmond Watershed Preserve. However, it's always a good idea to check the official King County Parks website or local signage for any updated regulations or specific activity permits.
For this easy trail, comfortable walking shoes, water, and appropriate clothing for the weather are recommended. Depending on the season, consider bringing rain gear, sun protection, and insect repellent. Binoculars can enhance wildlife viewing.
While the Trillium Trail Loop primarily offers immersive forest scenery, the lush greenery and towering trees themselves are a highlight. The trail includes a picturesque wooden bridge over a small creek, adding to the scenic experience.