Spring Valley State Park, State park and reservoir in Lincoln County, United States.

Spring Valley State Park adjoins the 65-acre Eagle Valley Reservoir, created in 1965 by Eagle Valley Dam on Meadow Valley Wash. The park lies at the east end of Nevada State Route 322, 20 miles east of Pioche near Ursine, at an elevation of 1,789 metres in a valley flanked by hills. It offers camping, fishing, a boat launch, picnicking, hiking trails and historic ranch buildings.

The area has evidence of habitation dating back thousands of years before Mormon settlers arrived in the mid-1800s. These pioneers established ranches that became the foundation for settlement in this remote valley.

The historic Rice Ranch buildings reflect how settlers lived and farmed in this remote valley. Walking through the structures gives you a sense of daily life in early Nevada ranching communities.

The park lies at the east end of Nevada State Route 322, about 20 miles east of Pioche near the village of Ursine, at an elevation of roughly 1,789 metres. It adjoins the 65-acre Eagle Valley Reservoir and offers camping, a boat launch, fishing, picnicking and hiking trails. Summer daytime highs average around 28 °C, while February lows average about −4 °C.

George Washington Rock is a natural stone formation that early inhabitants used as a lookout point over the valley. The spot still offers wide views today and reveals how people used terrain strategically for surveillance.