2
hikers
02:56
11.5km
40m
Hiking
Hike the Preachers Slough Trail, a 7.1-mile moderate route through the Chehalis River Surge Plain Natural Area Preserve, known for its flat
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
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4.97 km
Highlight (Segment) • Trail
Tip by
11.5 km
End point
Parking
Way Types & Surfaces
Way Types
11.3 km
134 m
Surfaces
11.3 km
134 m
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Elevation
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This route was planned by komoot.
The trail is located near Montesano, Washington, within the Chehalis River Surge Plain Natural Area Preserve. Specific trailhead parking information is usually available at the preserve's entrance or on official park websites. A Discover Pass is required for access to the area.
Yes, the trail is generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to protect the sensitive wetland ecosystem and respect other visitors.
The trail can be enjoyed year-round. Spring and early summer are excellent for experiencing the 'Renoir palettes of wildflowers' and lush greenery. Fall offers beautiful colors. Be aware that it can be muddy in wet weather, so sturdy footwear is recommended during wetter seasons.
Yes, a Discover Pass is required for access to the Chehalis River Surge Plain Natural Area Preserve, which encompasses the trail. This pass helps support the maintenance and conservation of Washington's state recreation lands.
The trail is notably flat and generally well-maintained, following an old railroad bed. It consists of dirt and gravel paths, with some boardwalks over small creeks. While easy, sturdy shoes or hiking boots are recommended, especially if it's muddy.
Yes, the trail is considered an easy and family-friendly hike, suitable for all skill levels due to its flat terrain and lack of significant elevation gain.
You'll experience diverse scenery, including a verdant forest with moss-draped trees and glimpses of the Chehalis River. The trail traverses a significant wetland, offering opportunities to spot wildlife such as otters, osprey, and bald eagles. Occasional sightings of bear and coyote are also possible.
Yes, the trail features interpretive signs that provide insights into the area's natural systems, salmon habitat, and local history. There are also benches and an observation platform overlooking the river, perfect for breaks, solitude, and wildlife viewing.
The full out-and-back route, which is approximately 11 kilometers (7 miles) to Blue Slough, typically takes around 2 hours and 56 minutes to complete, according to komoot's estimates for a hike.
The Preachers Slough Trail is primarily an out-and-back route.
Absolutely. Its flat terrain, easy accessibility, and opportunities for wildlife viewing make it an excellent choice for families with children of all ages.
The slough got its name from a Methodist-Episcopal minister in 1859, a detail you can learn more about from the interpretive signs along the route.