The MapSource US TOPO 24K National Parks, East v3 includes extremely detailed topographic maps of Eastern U.S National Parks. This CD is ideal for hikers, campers and outdoor enthusiasts of all kind. Plan your outing on your PC, then download maps and data to your compatible Garmin GPS to guide you on your next trek. See the product compatibility table (right) for a list of products that Garmin recommends with this software.