Snoqualmie Tunnel Trail

Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Easy
Duration
This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
2.5-4h
Distance
This reflects the return distance of this route as measured by the GPS file.
13.5 km
Elevation
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
104 m
User Ratings
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Directions to Trailhead

The Snoqualmie Tunnel Trail is a heavily trafficked out-and-back trail in Mount Baker-Snoqualmie National Forest that is rated as easy. This trail leads to an abandoned railway tunnel in the forest, which is a very fun spot for kids and adults alike to explore. This trail can be biked if the distance is too long for you.

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Route Description for Snoqualmie Tunnel Trail

The Snoqualmie Tunnel Trail is a fun outing for kids and adults alike, as the easy trail leads to unique abandoned railway tunnels. You’ll love walking through these little pieces of history! Bring a jacket and a flashlight for the tunnels, and perhaps opt to bike part of this trail if the 13.5 km is too far for your whole group.

The trail begins in Hyak at the Hyak Trailhead Information center. Follow the Palouse-to-Cascades State Park Trail roughly north and then as it curves west. Continue straight on, eventually leaving town and passing small lakes and hills.

Go through Rockdale before following the path as it curves down to the tunnels. The tunnels are very cool, but they do get cold and dark, so don your jacket and turn on your flashlight. When you’re done, retrace your steps back to Hyak.

Getting to the Snoqualmie Tunnel Trail Trailhead

The trailhead for the Snoqualmie Tunnel Trail is in Hyak, in the Hyak Trailhead Information parking area.

Route Information

  • Backcountry Campground

    No

  • When to do

    May-October

  • Pets allowed

    Yes - On Leash

  • Family friendly

    Yes

  • Route Signage

    Average

  • Crowd Levels

    High

  • Route Type

    Out and back

Snoqualmie Tunnel Trail Elevation Graph

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