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TOPO! Explorer is both the website you are viewing now and a free desktop application created by National Geographic Maps. The website contains freely browsable topographic maps, aerial imagery, hybrids, and a national recreation database filled with updated trails, points-of-interest, photos, videos, trail reports, and descriptions from professional and community sources. It's the best one-stop shop on the web for planning your next outdoor adventure. The TOPO! Explorer desktop application, available for free download with a registered user account, enables you to customize and print detailed maps, plus connect with a GPS and share your creations to the web. The desktop application comes with atlas maps for the United States, and enables you to purchase detailed SuperQuads from our Map Store.
The TOPO! Explorer desktop application adds a lot of functionality to the content and community features of the free website.