Snoqualmie Tunnel – Snoqualmie Tunnel loop from Hyak

Bike touring routes & trails

Snoqualmie Tunnel – Snoqualmie Tunnel loop from Hyak

Moderate

4.6

(6795)

16,825

riders

Snoqualmie Tunnel – Snoqualmie Tunnel loop from Hyak

03:25

36.3km

310m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. The starting point of the route is right next to a parking lot.

Last updated: October 1, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Palouse to Cascades State Park

Mount Baker-Snoqualmie National Forest

Waypoints

Start point

Parking

Get Directions

175 m

Hyak Station

Highlight • Rest Area

The best place to stop for a rest and some food after climbing up the trail and going through the tunnel. There are restrooms, fresh water, a bike repair stand, …

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695 m

Snoqualmie Tunnel

Highlight • Structure

The tunnel is a part of the former railroad system that is the Palouse to Cascades State Park Trail. It is close to the former train station of Hyak. If …

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701 m

Snoqualmie Tunnel

Highlight (Segment) • Structure

One instant you're riding along a mountain trail and the next you find yourself in a completely dark tunnel (expect the tiny prick of light at the end). Soak up …

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4.37 km

Snoqualmie Tunnel

Highlight • Structure

Hike or cycle through the historic train tunnel.
Of course no trains anymore.
Closed during the winter months.

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4.45 km

Snoqualmie Tunnel west entrance

Highlight • Structure

Western end of a 2.5 mile tunnel under Snoqualmie Pass. Former railroad tunnel, now open April-September (depending on snow). Great adventure destination - you can cross the pass to the …

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7.62 km

Avalanche Shed in Palouse to Cascades State Park

Highlight (Segment) • Monument

This is one of several avalanche sheds that protected the railroad in the winter - and the only one still standing. Nice signboard explaining how it worked and why it …

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18.2 km

Alice Creek Campground is right at the trailhead for the CDT. It’s free, first-come-first-served, with basic sites, a vault toilet, and access to some great hiking or riding. Bring bear spray and be prepare for the gravel road.

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36.1 km

Hyak

Highlight • Settlement

In 1915 the tiny town of Hyak was a train station and became a community. Today it is part of the Palouse to Cascades State Park Trail in Iron Horse …

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36.3 km

End point

Parking

Way Types & Surfaces

Way Types

36.0 km

307 m

< 100 m

Surfaces

33.2 km

2.80 km