Big Sand Wash Reservoir, reservoir in Duchesne, County, Utah, United States

Big Sand Wash Reservoir is a reservoir in eastern Duchesne County, Utah, built in 1964. It covers about 1.5 square kilometres and sits at an elevation of 1,794 metres. The water body stretches roughly 2.5 kilometres north to south and 1.6 kilometres east to west, with the Bluebell Lateral canal nearby.

Big Sand Wash Reservoir was built in 1964 in eastern Duchesne County, Utah. The reservoir sits at an elevation of about 1,794 metres and covers roughly 1.5 square kilometres, stretching about 2.5 km north to south and 1.6 km east to west. A Bluebell Lateral canal lies among the features near the water.

The reservoir serves as a gathering place for anglers and outdoor enthusiasts from the region who come to fish, camp, and spend time by the water. Local visitors respect the natural setting and maintain simple habits like early morning fishing trips and picnicking along the shoreline.

Access from Duchesne is straightforward by taking Highway 40 and following local roads until you reach the water, and new campgrounds and access areas are being developed to make visiting easier. Some private property borders the shoreline, so visitors should stay on public areas and be respectful of land boundaries.

The reservoir sits at 1,794 metres above sea level and covers about 1.5 square kilometres, stretching roughly 2.5 km north to south and 1.6 km east to west. It was built in 1964 in eastern Duchesne County, and the surrounding terrain is mostly sagebrush steppe.