Usa-Places.com has listed approx 3 RV parks in Decatur. Some of the Top rated RV parks in Decatur are- Double Duty RV Ranch (GATED by appt only-No place to turn around) LONG-TERM ONLY, The Brushy Creek RV Park & MIMOSA VALLEY RV PARK (Gated - by appt only/no place for turn around) LONG-TERM ONLY.