Draw a Freehand route and TOPO!
display its distance, generates an elevation profile, and prepares it for uploading to a GPS.

Share custom map overlays with other users via the Internet and e-mail.

Download free datasets and updates
Zoom through different USGS map series that show increasing levels of detail.

Add your own custom text, symbols, and routes to the maps.

Select the exact area you need and print a custom, photo-quality map.

Own hundred of maps for Ohio

Output maps in the format you need

Use the best topographic map software

TOPO! Provide scanned versions of the actual paper 1:24,000 scale USGS maps. Produced to the National Map Accuracy Standards, they are the most detailed maps available for outdoor enthusiasts, hobbyist, and professionals.

Enhanced 3D digital shading emphasizes changes in elevation, making the maps more readable. Shading intensity can be adjusted for personal preference or toggled off for viewing the original USGS maps.

Precise georeferencing ensures pixel-level accuracy for GPS and vector data overlay.

True-color imaging uses millions of colors to optimize maps for viewing and printing.

High-resolution 30-meter digital elevation data provide the best elevation profiling.

Select the exact area you want to print even if it is larger than the screen or covers multiple USGS quads.

Add map border information to printouts, including UTM or latitude/longitude, grids, scale bars, north arrow, and magnetic declination

Toggle between NAD 27 and WGS 84 datum's in UTM or latitude/longitude.

Export custom information directly to or from any leading GPS receiver using TOPO! GPS Wizard.

Transfer your custom information directly to or from any leading GPS receiver using TOPO's GPS Wizard.

Award-winning TOPO! mapping software provides a complete set of powerful, easy-to-use features.

Navigate maps with ease and scroll seamlessly from map to map without borders.

Access thousands of preloaded GPS waypoints (every labeled features from more that 780 USGS maps) with TOPO!'s Place Finder ®.

Import GPS and vector data from a variety of sources, including GPS receivers, spreadsheets, and the web, to overlay on the maps.

Use your PC to create and store thousands of waypoints, routes, and tracks, Built-in database lets you organize and sort all of your information.

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