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The Lower Yakima Valley Pathway offers trail users the opportunity to experience great wines (produced from grapes grown in the area's rich volcanic-ash soil), interesting shops, and local hospitality and entertainment as they traverse three desert towns along the 14-mile paved route.
Once part of the North Coast Railroad and the Oregon–Washington Railroad & Navigation Company, the trail parallels the Yakima Valley Highway, Interstate 82, and Wine Country Road, beginning on the eastern edge of Sunnyside (by the Mid Valley Mall) and ending in Prosser. The route takes you 6.5 miles to Grandview (you'll pass by the town's commercial districts on US 12/Wine Country Road). Be prepared for a variety of conditions, including extremely hot summers—the path offers little shade—and colder fall temperatures.
The 8-foot-wide trail sports some hills and road crossings, and cyclists and skaters are encouraged to use caution and be aware of pedestrians. You will reach a 1.5-mile section on the roadway from Grandview Park & Ride to the East Grandview trailhead, where water is available. The gap ends at the Palacios Parkway archway on the north side of the road at mile 8.
The next 6 miles to Prosser make for a rural experience; note that fewer services are available along this part of the route. At mile 11.5, you'll find an active trestle crossing; avoid this by dipping down from the right-of-way. The trail officially ends immediately before a bridge and pathway that crosses the Yakima River and takes you into downtown Prosser.
Take I-82 to Exit 69 for Sunnyside. Head north on State Route 241/Waneta Road for 0.4 mile. Turn left onto Yakima Valley Highway. In 1.2 miles, parking is available by the Mid Valley Mall (Yakima Valley Highway and E. Edison Avenue).
Grandview Park & Ride and the East Grandview trailhead are on CR 12/Wine Country Road. Take I-82 to Exit 75. Turn right onto Mcreadie Road, and immediately turn right onto CR 12/Wine Country Road. In 0.4 mile, look for the trail on the right.
To reach the trailhead in Prosser, take I-82 to Exit 82. Head west on Wine Country Road for 1.7 miles. Street parking is available at the Yakima River in Prosser.
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