Big Sioux State Rec Area, South Dakota, United States. Entrance sign.

Big Sioux State Rec Area, South Dakota, United States. Playground near site 47.

Big Sioux State Rec Area, South Dakota, United States. Trail to the amphitheater.

Big Sioux State Rec Area, South Dakota, United States. Picnic area.

Big Sioux State Rec Area, South Dakota, United States. Archery trail and disc golf course. Looks a little wet.

Big Sioux State Rec Area, South Dakota, United States. Playground in the day use area.

Big Sioux State Rec Area, South Dakota, United States. Picnic shelter.

Big Sioux State Rec Area, South Dakota, United States. Picnic area.

Big Sioux State Rec Area, South Dakota, United States. A sign talking about the Bergeson's homestead.

Big Sioux State Rec Area, South Dakota, United States. Log cabin.

Big Sioux State Rec Area, South Dakota, United States. Bergeson homestead and log cabin.

Big Sioux State Rec Area, South Dakota, United States. Main office.