Seppois-le-Haut (French pronunciation: [sɛpwa lə o] ⓘ; German: Obersept; Alsatian: Owersept) is a commune in the Haut-Rhin department and, since January 1, 2021, in the territory of the European Community of Alsace, in the Grand Est region.

Despite its location near the “automotive of the future” competitiveness cluster (Mulhouse, Belfort, Sochaux-Montbéliard) and the Basel site in full economic expansion, the village remains largely rural.

In 2019, the town had 507 inhabitants, an increase of 4.75% compared to 2013 (Haut-Rhin: +1.1%, France excluding Mayotte: +2.17%).

Mentioned for the first time in 1620, it is certainly older because it has a choir in Gothic architecture with a semicircular vault; converted into a socio-cultural center, exhibitions and conferences are held there regularly; The Saint-Hubert church, destroyed during the First World War and rebuilt in 1928.

It replaced the first church of 1859; you can see remarkable sculptures and paintings (stations of the cross, communion bench, high altar, paintings representing Saint Sebastian and Saint Roch) and its organ by Frédéric Haerpfer; beautiful fountains, spread over the main axis; Memorials: The monument to the shots of Ballersdorf; The felled Kreuzengarten lime tree, located in the garden of the old Sainte-Croix chapel, was several hundred years old.