Winthrop to Ellensburg Road Trip Guide: Mountains & Wine

This route follows State Route 20 (the North Cascades Highway) for 140 miles before turning south on US 97 to Ellensburg. The drive from Winthrop to Ellensburg typically takes 2 hours and 40 minutes without stops. The final 20 miles on US 97 are known as 'Thunder Road' for its straight, fast sections and crosswinds. The highway was officially opened in 1972 after decades of planning, bypassing the historic but treacherous mountain pass.

SR 20 has narrow shoulders, frequent wildlife (deer, elk, bears), and avalanche zones. Carry chains from October through May. The scenic loop via SR 153 (Methow Valley) adds 20 minutes but avoids the steepest grades of Loup Loup Pass. Fatigue builds after the monotonous straightaway of US 97 near Vantage—schedule breaks at the Wild Horses Monument or Ginkgo Petrified Forest.

• Family stops: Pearrygin Lake State Park (beach, playground) near Winthrop
• Pet-friendly: Most outdoor areas allow leashed pets; Mazama Store has water bowls
• Rest zones: Washington Pass Overlook (full restroom), Diablo Lake (pit toilets)
• Hidden off-route: Blue Lake Trail (1.8 mi, moderate) near Rainy Pass
• Fatigue tip: Alternate drivers at Twisp (45 min segment) and at the Columbia River

The most recommended stop for families is the Orondo River Ranch rest area on US 97 (milepost 173). It has clean bathrooms, a grassy picnic area, and a short walking path along the Columbia River. For pet owners, the Douglas Creek Wildlife Area just south of Ellensburg offers off-leash hiking under a strict voice-control rule. The road quality on SR 20 is excellent through the national forests, but watch for frost heaves near the passes in spring.

The journey begins at the junction of SR 20 and SR 153 in Winthrop (elev. 1,200 ft), climbing to 5,477 ft at Washington Pass and descending to Ellensburg (1,540 ft). Most gas stations close after dark on this stretch, so fill up in Winthrop or Mazama. Apple Maps and Waze work intermittently due to mountain gaps. Carry cash for smaller tribal-run convenience stores.

• Gas stations: Winthrop (last before 65-mile gap), Mazama, Twisp, then Ellensburg
• Road conditions: Check 511 for SR 20 closure alerts—often closed Nov–Apr
• Towing: Limited service; nearest 24/7 tow from Twisp
• Cell coverage: AT&T/T-Mobile spotty; Verizon works at passes
• Speed limit: 55-60 mph; sharp curves near Washington Pass
• Restrooms: Available at viewpoints and ranger stations

Fuel economy impact: The steep climb to Washington Pass cuts mileage by up to 20%. A mid-size SUV with 18-gallon tank can make the distance, but refill at Winthrop (Shell) or Mazama (Mazama Store, premium only). The drive includes two major passes: Washington Pass (5,477 ft) and Loup Loup Pass (4,020 ft). Both can be icy even in summer.

Washington Pass Overlook (milepost 162) offers panoramic views of Liberty Bell Mountain and the jagged Early Winters Spires. Diablo Lake Vista (milepost 130) displays turquoise water from glacial flour. US 97 southward passes through the Columbia River Gorge, known for massive wind turbines and orchards. Between the Methow Valley and Ellensburg, the terrain shifts from pine forests to sagebrush and basalt cliffs.

• Mazama: Small store with sandwiches and huckleberry products
• Winthrop: Wild West-themed boardwalk with galleries and fudge shops
• Twisp: Brewery (Old Schoolhouse) and farmer's market (Saturdays)
• Pateros: Apple stands and the 'Milepost 0' marker for WA 153
• Ellensburg: Downtown antique shops (Jerrol's) and Iron Horse Brewery

For local art, the Methow Valley is a hub for pottery and painting; visit the Confluence Gallery in Twisp. The town of Ellensburg hosts the annual Ellensburg Rodeo (Labor Day weekend), one of the top 10 rodeos in North America. If you're wondering how to find the best stops and hidden gems between cities, explore the backroads off SR 20 like the Twisp River Road.