Swiftwater Corridor
Local Visitor Information
Discover more ways to experience this byway — photos and local partners.
Explore Resources
Find maps, guides, weather, and seasonal information for this byway.
Byway Overview
The Swiftwater Corridor rambles through back roads from Roslyn east of Snoqualmie Pass to Vantage on the Columbia River. Along the byway there are historic towns, logging camps, mines and ranches. A reminder of the boom times is Washington's oldest tavern in Roslyn.
Quick Facts
- Designation
- State Byway
- Location
- WA
- Total Length
- 42 miles
Visitor Information & Byway Partners
Contact Details
For personalized travel assistance and local recommendations, please reach out to our regional visitor center.
Local Byway Partners
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Salmon La Sac
Salmon La Sac Campground is situated between the Cle Elum and Cooper Rivers in Okanogan-Wenatchee National Forest. Considered the gateway to the Alpine Lakes Wilderness, this campground is an ideal place for individuals and families to gather and enjoy the mountains and a multitude of recreational activities at an elevation of 2,300 feet.
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Roslyn
Charming Roslyn maintains much of the character of its early years as a coal town, incorporated in 1889. The Roslyn Historic District was added to the National Register of Historic Places in 1978, and many residential and commercial buildings constructed from 1889-1930 remain intact. Tucked into the eastern foothills of the Cascades, Roslyn also serves as a gateway to abundant year-round outdoor recreation activities.
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Cle Elum
Cle Elum has evolved from its humble beginnings as a rugged mining and logging town nestled in the mountains of Central Washington, into an epicenter of adventure, creativity, and connection to each other and the natural world.
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Thorp Grist Mill
The Thorp Grist Mill - the oldest remaining industrial artifact in Kittitas County - showcases a remarkable collection of handmade wooden mill machinery. Constructed in 1883, it served as an essential place for flour milling and social interaction for Kittitas County residents until 1946.
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Ellensburg
Located just east of the Cascade Range on Interstate 90, Ellensburg is the most centrally located city in the state of Washington. It is home to Central Washington University. Downtown Ellensburg has many historic buildings to see, most of which were constructed in the late 19th century. The Ellensburg Rodeo has been a tradition in the town since 1923, and is the largest rodeo in Washington state. Downtown Ellensburg hosts several annual events, including the Winterhop Brewfest in January where beers are served from over 21 microbreweries from around the Pacific Northwest in various historic downtown buildings.
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Wild Horse Renewable Energy Center
Take a wind turbine tour at the Wild Horse Wind Facility! Weather permitting, free guided tours depart daily, from April-Oct 31, from the Renewable Energy Center at 10 a.m. and 2 p.m. Set high on a ridge, the Renewable Energy Center provides visitors with an up-close look at the facility’s 149 wind turbines, displays on renewable technology and natural history, and 360 degree views of Mount Rainier, Mount Adams, and the Columbia Basin.
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Ginkgo Petrified Forest
Considered one of the most diverse fossil forests in North America, Ginkgo Petrified Forest State Park is famous for the rare specimens of petrified Ginkgo biloba tree discovered there in the late 1920s.