Arosa Lenzerheide is a ski area located in Arosa, Lenzerheide, Valbella, Parpan and Churwalden, Graubünden/Switzerland. It originated 2013/14 by connecting the existing ski areas of Arosa and Lenzerheide. With a total of 225 kilometers (140 miles) of ski slopes and 43 cable cars it is the largest contiguous ski area in Graubünden.