Winklarn, Lower Austria, municipality in the district of Amstetten, alt. 291 m, pop. 1,347, area 12.60 km2, in the Ybbstal valley near Amstetten. - Wood processing (wooden shoes, joiners), coarse gravel works. - One of the oldest parishes in western Lower Austria, first documented mention by Ludwig der Deutsche as "Ipusa" in 837 as part of a donation. Late-Gothic parish church with Romanesque core, several phases of Gothic alterations, Baroque interior (around 1750); Bronze Age and Roman finds as well as finds from a Slavonic settlement.