The head office of the vineyard is located in the municipality of Untermagdalena in the province of Bolzano in the Italian wine-growing area South-Tirol (Region Trentino-Alto Adige ). The company consists of the parent company Obermoser and the locations Grafenleiten and Hörtenberg (all in St. Magdalena), as well as Putz Mauer (Kalterersee). The long tradition of the owner family testify to a family crest from 1506 and a complete family tree from then until today. The origin dates back to 1890, when Christian J. Rottensteiner acquired the "Obermosergütl". In 1913, the phylloxera great damage. After the Second World War was carried out by Franz JM Rottensteiner a reconstruction. From the 1980s, the company was taken over by Heinrich Rottensteiner. In the meantime Thomas Rottensteiner is already the fifth generation of the family in the winery.
The vineyards cover four hectares of vineyards in some extreme steep slopes ie are with varieties of schiava / Vernatsch (50%), as well Lagrein (40%), Cabernet Sauvignon. Cabernet Franc. Merlot and Sauvignon Blanc planted. There is a natural management without waiver herbicides, The red wines are aged in large oak barrels and / or barrique, the white wines in steel tanks. The product range includes various DOC wines and St. Magdalen Classico, The flagship is the DOC South Tyrolean Lagrein Riserva "Grafenleiten" (14 months barrique and tonneaux). Every year around 30,000 bottles of wine are produced.