Deerfield Dam and Reservoir, Rapid Valley Project, are twenty-five miles west of Rapid City, South Dakota on Castle Creek. Reservoir contains 400 surface acres and has 16 miles of shoreline. Public use area, camping, picnic areas, concession, swimming, boating, hiking, and fishing. Available species include rainbow trout, brown trout, and rock bass. Open year-round.
We offer a compact version of Go-Southdakota for mobile users, allowing you to access just the information you need on the road. Of course, you can still use the full version of Go-Southdakota on your mobile device just as you can on your desktop.