Twelve Oaks Estate WEBSITE ADD TO Trip Planner Southern mansion listed on the National Register of Historic Places; available for indoor and outdoor weddings, receptions and other catered events. Get Directions Gas Calculator Details Website: http://twelveoaksestate.com/ Phone: 870-365-8894 Email: email@example.com Address: 7201 Hwy. 7 SouthHarrison, AR 72601 Things to Do In Harrison EXPLORE Business Closed? Yes No Incorrect Information? Yes No What needs to be changed?