Abstract: The object of this invention is an the apparatus for ski exercising and rehabilitation, intended to serve for both beginning and professional skiers who shall later ski on snow on either carving or traditional skis, water skis or snowboards. The apparatus according to the invention has upper drive roll (11) and, below, lower drive roll (13) and rotatable glide rolls (12) in between them, all arranged on arc (b) in slanted side beams (4), (5) of frame (a), said arc being formed by contact points of the inner side of endless downhill run strip (14) in form of mat, with 2.