Rasun Anterselva - Rasen-Antholz, Province of Bolzano, Trentino Alto Adige, Italy. Rasen Antholz in German, the commune consists of a number of small hamlets, situated among mountain prairies and fir-wood forests in the Val Pusteria, a paradise for skiers and mountain lovers. At Anterselva di Sopra, there is the picturesque Anterselva lake, at 1600 m a.s.l.