Horný Výhon is a village in Stará Myjava Municipality, in Myjava District, in the Trenčín Region, Slovakia. Horný Výhon lies at 397 m above sea level, 3.0 km from the White Carpathians mountains. The nearest city is Piešťany, 28 km to the southeast. Among the landmarks around are Čachtice Castle (13.9 km), Beckov Castle (23 km) and Tematín (27 km). Among the natural features are Borotová (6.7 km) and Kožíkov vrch (7.7 km).