Client Profile The Regional Office of Sustainable Tourism (ROOST) is the Destination Marketing and Management Organization (DMMO) for several counties in Northern New York. Serving a large portion of the vast Adirondack Park—the largest state park in the U.S. and an area larger than Yellowstone, Glacier, and Yosemite national parks combined—ROOST’s mission is to promote and manage this massive region through a unified, regional effort.