Appalachian Trail GIS & GPS Data
Please review the
Appalachian Trail GIS and GPS Data Download Agreement before downloading Appalachian Trail GIS and GPS data.
All ESRI shapefile data are in Decimal Degrees format, using the NAD1983 datum. All Google Earth KML and GPS GPX data are in Decimal Degrees format, using the WGS84 datum. Metadata describing projections and other information about the data is included with all files.
Before downloading, please note:
- To decompress the Zipped files, you will need a decompression program, such as WinZip or PKZip. These and other shareware programs are available from download sites such as CNET.com
For GIS data:
- These data (as well as most GIS programs and viewers) were developed on PC Windows-based machines and may not be usable on other platforms.
- To view these files, you will need a GIS program such as ArcView, ArcInfo, or MapInfo. If you don't have a GIS program, you may download ArcExplorer, ESRI's FREE GIS data viewer.
For Google Earth data:
- To use these data, you will need to have Google Earth installed on your computer. Google Earth is available for FREE download at Google.com.
For GPS data:
- To use these data, you will need (1) a GPS unit that has upload/download capabilities, and (2) a PC-to-GPS interface data cable so that you may transfer the data. Please check your GPS manual to see if your unit is capable of uploading/downloading data and to make sure you have the proper equipment.
- To transfer these data to a GPS unit, you will also need a GPS mapping program such as National Geographic's TOPO! or MapTech's Terrain Navigator.
- If you do not have a GPS mapping program, you may download one of the following FREE programs that work with most Garmin, Magellan, and Lowrance/Eagle GPS units: GPS TrackMaker, EasyGPS, or G7ToWin.
A.T. GIS Centerline Data
A.T. GIS Shelter Data
A.T. Parking Data
U.S. Base Data
1:2 million scale general data for the eastern U.S.