Lake Alvin Recreation Area 
County Rd. 135
Sioux Falls, SD 57013
605-987-2263
http://gfp.sd.gov/state-parks/directory/lake-alvin/
State Park: Birding, Fish, Hike, Picnic, Walk, Water Sports
Although small in size, Lake Alvin has become a very popular gathering place for swimmers, boaters and anglers. An accessible fishing pier makes the lake ideal for people of all ages and abilities.