With the U.S. Topo CD and your PC, you can download topographic detail to your compatible GPS. You’ll see terrain contour, elevation information, shoreline detail, bathymetric contours, hiking and snowmobile trails and more. You can also use MapSource to create routes and waypoints on your PC and transfer them to your GPS. Similar to USGS 1;100,000 topographic paper maps. Three-CD set includes highways, trails, streams, rivers, elevation cuntours, bathymetrics, summits, churches and schools. Shows inland shore detail of lakes, rivers, boat ramps, marinas and facilities, and provides US nav aids. The map download feature of this product is recommended for use with the GPS III Plus, NavTalk, GPS 12MAP, and GPSMAP 162/168. It is compatible with StreetPilot GPS, StreetPilot ColorMap, GPSMAP 295, and eMap, which require a blank 8 or 16MB cartridge to upload map data to these compatible units.

Software: 
Similar to U.S. Geological Survey 1:100,000-scale topographic paper maps, View highways, roads, hiking trails, snowmobile trails, backwoods trails, and shoreline detail, Icons represent boat ramps, campgrounds, public facilities, swimming, and ski areas, Transfer waypoints, routes, and tracks between your PC and nearly all Garmin GPS units, See Product Description for compatible Garmin products

Company: Garmin 

List Price: $116.99
Amazon Price: $109.00