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.Weatherby, MO, 7.5 Minute Topographic Quadrangle, USGS, 1983
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.
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