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Hiking trails & Routes
United States
Washington
Kittitas County

Palouse to Cascades State Park Trail

Hard

3.1

(24)

61

hikers

Palouse to Cascades State Park Trail

16:37

64.6km

370m

Hiking

Hike the difficult 40.1-mile Palouse to Cascades State Park Trail, featuring diverse landscapes and the historic Snoqualmie Tunnel.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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1

30.1 km

Irrigation sluice speedway

Highlight • Structure

A surprising find along the Palouse to Cascade State Park Trail - there is an irrigation sluice here that releases water at an incredibly fast rate. You can watch it …

Tip by

2

33.5 km

Teanaway River

Highlight • River

Check out the Teanaway River, which is a tributary of the Yakima River. Here it branches off, so visitors will get views of where both rivers meet from here.

Tip by

3

42.8 km

South Cle Elum

Highlight • Settlement

South Cle Elum is a small town of under 1,000 people. The Palouse to Cascades State Park Trail runs through the south of the settlement. Head north of South Cle …

Tip by

4

43.2 km

The Cascade Rail Foundation South Cle Elum Station is an old building and a museum open to visitors from 12:00 p.m. to 4:00 p.m. on Saturdays from May through September. These buildings were important parts of Milwaukee Railroad history.

Tip by

5

46.5 km

Yakima River Bridge

Highlight • Bridge

If you have been riding West to East, this is what you have been waiting for. A unique bridge over the Yakima River. You can cross the river, stand on …

Tip by

6

50.3 km

Yakima River Bridge #5

Highlight • Bridge

To help you ride through the monotony of this stretch of the trail, I recommend you stop and take a mental break at Yakima River Bridge #5. On summer weekends …

Tip by

7

63.9 km

Lake Easton Tunnel

Highlight • Structure

This is the last tunnel you will see until (or the first tunnel you have seen since) Thorp. Wooded, along the lake, nice spot to stop.

Tip by

B

64.6 km

Iron Horse Trail Bridge

Highlight • Bridge

A functional bridge with a modern build takes bikers and hikers over Lake Easton, where the Yakima River flows out.

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Way Types & Surfaces

Way Types

64.5 km

< 100 m

Surfaces

64.2 km

394 m

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (690 m)

Lowest point (480 m)

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Weather

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Today

Saturday 5 September

19°C

7°C

56 %

Additional weather tips

Max wind speed: 7.0 km/h

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Frequently Asked Questions

What is the terrain like on the Palouse to Cascades State Park Trail?

The trail offers a remarkable range of terrain, transitioning from the evergreen forests of the Cascades to irrigated farmland, arid scrubland, and the rolling hills of the Palouse region. It's primarily a rail trail, meaning it has gentle grades, mostly light gravel surfaces, though some sections can have loose gravel or sand.

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

Yes, the trail is generally considered easy to moderate. As a rail trail, it features gentle grades, never exceeding 2.2%. While some sections can be long or have varying surfaces, its overall gentle incline makes it manageable for many hikers, including beginners looking for longer distances.

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

The trail is rich with features. Highlights include the 2.3-mile-long Snoqualmie Tunnel, historic railroad trestles like the Tekoa Trestle, and the recently renovated Beverly Bridge over the Columbia River. You can also see the Irrigation sluice speedway, the Teanaway River, and the historic Cascade Rail Foundation South Cle Elum Station. Other points of interest include the Yakima River Bridge and Lake Easton Tunnel.

What is the best time of year to hike the Palouse to Cascades State Park Trail?

The trail can be enjoyed during various seasons, but spring through fall generally offers the best conditions. Be aware that the Snoqualmie Tunnel, a major highlight, is typically closed annually from November 1st to May 2nd due to ice. Always check current conditions before you go.

Do I need a permit or Discover Pass to access the trail?

Yes, a Discover Pass is generally required for vehicle access to Washington State Parks, including trailheads for the Palouse to Cascades State Park Trail. Additionally, for the eastern section of the trail, registration with Washington State Parks is required, and you'll receive gate combinations and maps for on-road detours. You can find more information on the Washington State Parks website.

Is the Palouse to Cascades State Park Trail dog-friendly?

Dogs are generally allowed on the trail, but they must be kept on a leash. Always practice Leave No Trace principles and pack out any waste. Specific regulations may vary, so it's always best to check the Washington State Parks website for the latest rules.

Where are the main access points and parking for the trail?

The trail has numerous trailheads and access points across Washington State, making it suitable for both short day hikes and longer adventures. The westernmost trailhead near Cedar Falls is just 35 miles from downtown Seattle. Parking availability varies by trailhead, so it's advisable to research specific access points for your planned route.

What should I know about hiking through the Snoqualmie Tunnel?

The Snoqualmie Tunnel is a major highlight, but it's 2.3 miles long, unlit, and remains cool and damp even on hot days. You'll need a flashlight or headlamp and warm clothing. The tunnel is typically closed from November 1st to May 2nd due to ice, so plan your trip accordingly.

Are there places to get water or supplies along the trail?

In some sections, particularly the eastern parts, there can be long distances between towns. It is highly recommended to carry sufficient water and snacks, especially for longer excursions, as reliable water sources may not be readily available.

How can I check for current trail conditions or closures?

It's crucial to check for current trail conditions, as sections may experience closures due to storm damage or washouts. Always consult the Washington State Parks website for the latest updates before planning your trip.

What is the historical significance of this trail?

The Palouse to Cascades State Park Trail follows the path of the historic Chicago, Milwaukee, St. Paul & Pacific Railroad, also known as the "Milwaukee Road." It's one of the longest rail-trail conversions in the U.S., offering a journey through Washington's railroad heritage with many historical markers and structures along the way.

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