Arieșeni (German: Leppusch; Hungarian: Lepus) is a commune located in Alba County, Romania. It has a population of 1,921. The commune is composed of eighteen villages: Arieșeni, Avrămești, Bubești, Casa de Piatră, Cobleș, Dealu Bajului, Fața Cristesei, Fața Lăpușului, Galbena, Hodobana, Izlaz, Păntești, Pătrăhăițești, Poienița, Ravicești, Ștei-Arieșeni, Sturu and Vanvucești.
It is a very popular ski resort among the people of Bihor and Alba counties having 3 ski-slopes: the old one is about 500 meters long, the second about 1,000 m and the third one, opened in January 2011 is the longest having 1,600 m. The first ski lift in Romania was installed in Arieșeni and with the opening of the new slope, the resorts has also got a brand new funicular. There are several notable natural tourist sites such as the Vârciorog Waterfall, Ghețarul de la Scărișoara, Groapa Ruginoasă, Piatra Grăitoare, Pătrăhăițești village, Bihorul Peak (1848m), etc.
View of the old ski slope in Arieşeni