Trip and waypoint management functions** Digital topographic maps covering national parks, national forests, and some state parks in the Eastern U.S., based on the 1:24,000 scale USGS maps Searchable points of interest, by name or nearest Park amenities include visitors centers, camping and picnic areas, wilderness campsites, ranger stations, restaurants and lodges User selectable coverage by quad, including quad name for easy correlated reference Object-oriented cartographyA- cursor movements reveal descriptions and other map data Trail names Routable trails Summit elevations and peaks Some roads and hiking trails **These functions of this product work with nearly all GarminA GPS units, excluding the GPS100 family and panel mount aviation units. Some units may require a Garmin data card to upload map data. Part Number: 010-10449-00.