Potholes Reservoir, Central Washington lake, United States
Potholes Reservoir is a large body of water in central Washington formed by dam construction on a stream. The lake is surrounded by open land with low vegetation, sand dunes, and rock outcrops left behind by Ice Age floods.
The reservoir was built many decades ago as part of a large irrigation project to store water for regional farming. Over time it shifted from a purely functional structure to an important site for recreation and nature observation.
The reservoir brings together locals and visitors who come to fish, camp, and spend time outdoors together. The setting reflects the relationship between water and dry landscapes that defines this part of Washington.
The lake is easy to reach by roads that lead close to the shoreline, and there are picnic spots and restrooms on-site. Visitors should bring water, sunscreen, and comfortable shoes since the area is open and exposed to sun.
The landscape was shaped by massive Ice Age floods millions of years ago, leaving behind rock formations and sand dunes that still dominate the terrain. Small islands appear and disappear with changing water levels, creating ever-shifting habitats for migrating birds and wintering eagles.
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