Alta Vista, Missouri
Alta Vista is an unincorporated community in Daviess and DeKalb counties, in the U.S. state of Missouri. The community sits on a ridge above and east of Grindstone Creek. Missouri Route 6 passes through the location. Weatherby is two miles to the west along route 6. History. Alto Vista was laid out in 1865, and named for its lofty elevation. A post office called Alta Vista was established in 1865, and remained in operation until 1905.