Round Lake State Park
|Round Lake State Park|
|Idaho State Park|
|- elevation||2,122 ft (647 m)|
|Area||142 acres (57.5 ha)|
|IUCN category||V - Protected Landscape/Seascape|
|Website: Round Lake State Park|
Round Lake State Park is a state park in Bonner County, Idaho, United States. The 142 acres (57 ha) park surrounds 58 acres (23 ha) Round Lake. The lake was formed from glacial activity in the Pleistocene. The park has 51 campsites, three hiking trails, and opportunities for biking, fishing, and swimming.