20 acres vacant lot for sale on Miller Rd NW Altha, Florida 32421. Serenity. Calhoun County. Located south of 10 and 274 and north of 20, between 231 and 73, close to the Mossy Pond Library, North Florida Motorplex. Area surrounded by nature. Property Use: 99 / ACREAGE NOT AG CLASSIFIED Land Use: ACREAGE NOT CLASSIFIED AG (99) Lot Size: 20 acres / 871,200 sf Census Tract/Block: 010200 / 3054 Twn: 02 / Rng: 11 / Sec: 34 Neighborhood:110000 Latitude: 30.525886 Longitude: -85.320451