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Routes
Bike touring routes & trails
United States
Washington
King County

Palouse to Cascades State Park Trail

Hard

3.1

(8)

65

riders

Palouse to Cascades State Park Trail

06:36

67.2km

750m

Cycling

The Palouse to Cascades State Park Trail invites you on a difficult touring bicycle adventure, stretching 41.7 miles (67.2 km) with an elevation gain of 2454 feet (748 metres). This route takes you through a remarkable transition of scenery, from the cool, dark passage of the 2.3-mile-long Snoqualmie Tunnel to expansive arid scrublands and open farmland. You can expect to spend around 6 hours and 35 minutes traversing this varied terrain, encountering both lush forests and high trestles offering sweeping views.

When planning your ride, be aware that the Snoqualmie Tunnel is typically closed from November 1st to May 1st due to ice, so check its status before you go. If the tunnel is open, remember to bring a headlamp or flashlight and a jacket, as it remains cool and damp even on warm days. The trail surface varies significantly, with sections of loose gravel and sand, especially on the western segment, making a mountain bike with suspension or a fat tire bike a good choice for comfort and control.

This trail is notable for showcasing Washington's dramatic geographic diversity, allowing you to cycle through vastly different ecosystems in one continuous journey. From the mountainous, forested regions of the Cascades to the open, agricultural plains of the Palouse, the route provides a unique perspective on the state's natural beauty. The historic railway path, including its impressive trestles and the iconic Snoqualmie Tunnel, adds a rich layer of history to your outdoor exploration.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Olallie State Park

Palouse to Cascades State Park

Mount Baker-Snoqualmie National Forest

Waypoints

A

Start point

Parking

Get Directions

1

9.73 km

Hall Creek Trestle

Highlight • Bridge

The Hall Creek Trestle is a historic steel and timber railway bridge built in 1912. It was once the old Milwaukee Road until, in 1988, a storm washed away a central 171-foot section of the bridge. In the 1990s, Washington State Parks restored the trestle, reconnecting the east and west segments of the former rail line, which is now part of the Palouse to Cascades (Iron Horse) Trail. The views down into Hall Creek Valley are genuinely stunning and worth the ride!

Tip by

2

30.0 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 ski areas on the east side. Be sure to bring plenty of lights and a jacket - it's cold, slightly humid and very, very dark!

Tip by

3

30.0 km

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 the sounds and the cool air as you ride under a mountain - how cool is that. Just don't forget your lights and a jacket.

Tip by

B

67.2 km

End point

Parking

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Way Types & Surfaces

Way Types

66.8 km

235 m

212 m

Surfaces

66.9 km

212 m

116 m

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Elevation

Elevation

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Weather

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Today

Wednesday 6 May

17°C

9°C

0 %

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Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What kind of bike is best for the Palouse to Cascades State Park Trail?

Due to the trail's varied surface, a mountain bike with suspension or a fat tire bike is often recommended, especially for the western segment between Cedar Falls and the Columbia River. You'll encounter everything from well-maintained gravel to loose gravel, sand, and even original large rock ballast from the railroad, which can be rough.

What are the most scenic sections of the trail?

The trail offers incredibly diverse scenery. The western sections pass through evergreen forests and mountainous terrain with spectacular views from high trestles. As you head east, the landscape transitions to arid scrublands, high desert, and open farmland, culminating in the rolling wheat fields of the Palouse region. The central section, from the Snoqualmie Tunnel to the Royal City cut-off, showcases a dramatic shift from alpine lake country to the Columbia Basin's shrub-steppe.

Is the Snoqualmie Tunnel open year-round, and what should I know about it?

The Snoqualmie Tunnel is typically closed from November 1st to May 1st due to ice. When open, this 2.3-mile-long tunnel is a unique feature, remaining cool and damp even on hot days. You'll need to bring a flashlight or headlamp and a jacket for your passage through it.

What permits or fees are required to use the Palouse to Cascades State Park Trail?

As the trail is part of Palouse to Cascades State Park, a Discover Pass is generally required for vehicle access to trailheads within Washington State Parks. You can find more information on permits and fees on the official wa.gov website.

What is the best time of year to cycle the trail?

The best time to cycle is typically from late spring to early fall, roughly May through October, when the Snoqualmie Tunnel is open and weather conditions are generally favorable. Fall offers vibrant colors, especially in the western forested sections.

Are dogs allowed on the Palouse to Cascades State Park Trail?

Yes, dogs are generally allowed on the trail. However, they must be kept on a leash, and you are responsible for cleaning up after them. Always check for specific regulations or restrictions in certain areas, especially near wildlife habitats or within the U.S. Army Yakima Training Center.

Where can I access the trail and find parking?

Access points are available along its entire 289-mile length. Popular western access points include Cedar Falls near North Bend. Parking is available at various trailheads, but services and amenities can be limited, especially in the eastern sections. Always plan your parking in advance, particularly for multi-day trips.

What are some notable landmarks or points of interest along the route?

Beyond the famous Snoqualmie Tunnel, you'll encounter impressive engineering marvels like the Hall Creek Trestle and the recently renovated Beverly Bridge over the Columbia River. The trail also passes through historic train depots and offers views of diverse ecosystems, from forested mountains to arid landscapes.

Is the Palouse to Cascades State Park Trail suitable for beginners?

While the trail generally follows a gentle grade due to its rail-trail origin, some sections can be challenging for beginners due to varying surface conditions, including loose gravel and sand. The westernmost 18 miles from North Bend to the Snoqualmie Tunnel west entrance are often well-maintained and more beginner-friendly for gravel biking. East of the Columbia River, services are limited, requiring good preparation and fitness.

Does this trail connect with other well-known paths?

Yes, the Palouse to Cascades State Park Trail is a significant part of the Great American Rail-Trail. It also intersects with other local trails, including sections of the Washington Timber Trail and the Snoqualmie Valley Trail.

What should I bring for a multi-day trip on the Palouse to Cascades State Park Trail?

Given the trail's length and remote sections, especially east of Renslow, you should be prepared with sufficient water, food, and bike repair supplies. A good headlamp or flashlight is essential for the Snoqualmie Tunnel, and appropriate clothing layers are recommended for varying weather conditions across different ecosystems. A map or GPS device is also highly advisable.

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