Rocky Mountain High - Durango's Canna Castle - 120 E. 36th Street - (970) 259-4093 Founded in 2009, Rocky Mountain High has grown to become Colorado's line of premier and upscale medical and recreational marijuana dispensaries. We offer five-star customer service, top quality cannabis, cannabis extracts, oils, edibles, and concentrates at increasingly competitive prices. Featuring our well-established recreational dispensaries in the Denver area and famously popular storefronts on the western slope, RMH continues to serve Colorado communities through the operation of eight locations statewide, as well as several grow operations. With a team of grow and industry experts, along with expansive geographical locations in Colorado and throughout the country, we are well-equipped to best serve our customers and their cannabis needs.