"Cavanaugh Mound Estates" Mobile Home or RV Lot - Move your mobile home or RV to the beautiful Cavanaugh Mound Estates manufactured home community! Located in Fort Smith, Arkansas it is close to shopping and retail stores. Children to attend the local schools of Beard Elementary, Ramsey Junior High, and Southside High. Its location is near great places to work, play and grow. Make Cavanaugh Mound Estates your amazing place to call home.