Underwater Programming Laboratories



OSM trails are trail map overlays to see trails on top of maps that do not have trails, or do not have trails in areas you are interested in. They are extracted from data provided by OpenStreetMap.
These maps are provided "as is". Please consult the Map Terms for more information.

United States
RegionSizeDateDownload
Alabama0.43 MB2018-08-16OSM Trails Alabama.zip
Alaska0.42 MB2018-08-16OSM Trails Alaska.zip
Arizona1.63 MB2018-08-15OSM Trails Arizona.zip
Arkansas0.27 MB2018-08-16OSM Trails Arkansas.zip
California5.98 MB2018-08-15OSM Trails California.zip
Colorado2.95 MB2018-08-15OSM Trails Colorado.zip
Connecticut0.69 MB2018-08-15OSM Trails Connecticut.zip
Delaware0.16 MB2018-08-16OSM Trails Delaware.zip
District of Columbia0.12 MB2018-08-16OSM Trails District of Columbia.zip
Florida1.82 MB2018-08-15OSM Trails Florida.zip
Georgia0.85 MB2018-08-16OSM Trails Georgia.zip
Hawaii0.16 MB2018-08-15OSM Trails Hawaii.zip
Idaho0.44 MB2018-08-15OSM Trails Idaho.zip
Illinois1.62 MB2018-08-16OSM Trails Illinois.zip
Indiana0.78 MB2018-08-16OSM Trails Indiana.zip
Iowa0.60 MB2018-08-16OSM Trails Iowa.zip
Kansas0.52 MB2018-08-16OSM Trails Kansas.zip
Kentucky0.38 MB2018-08-16OSM Trails Kentucky.zip
Louisiana0.20 MB2018-08-15OSM Trails Louisiana.zip
Maine0.57 MB2018-08-15OSM Trails Maine.zip
Maryland1.10 MB2018-08-16OSM Trails Maryland.zip
Massachusetts1.84 MB2018-08-15OSM Trails Massachusetts.zip
Michigan1.73 MB2018-08-16OSM Trails Michigan.zip
Minnesota1.45 MB2018-08-16OSM Trails Minnesota.zip
Mississippi0.16 MB2018-08-16OSM Trails Mississippi.zip
Missouri0.92 MB2018-08-16OSM Trails Missouri.zip
Montana0.46 MB2018-08-15OSM Trails Montana.zip
Nebraska0.48 MB2018-08-16OSM Trails Nebraska.zip
Nevada0.51 MB2018-08-15OSM Trails Nevada.zip
New Hampshire0.64 MB2018-08-15OSM Trails New Hampshire.zip
New Jersey0.93 MB2018-08-15OSM Trails New Jersey.zip
New Mexico0.78 MB2018-08-15OSM Trails New Mexico.zip
New York1.94 MB2018-08-15OSM Trails New York.zip
North Carolina1.30 MB2018-08-16OSM Trails North Carolina.zip
North Dakota0.16 MB2018-08-15OSM Trails North Dakota.zip
Ohio1.47 MB2018-08-15OSM Trails Ohio.zip
Oklahoma0.40 MB2018-08-16OSM Trails Oklahoma.zip
Oregon1.57 MB2018-08-15OSM Trails Oregon.zip
Pennsylvania1.80 MB2018-08-16OSM Trails Pennsylvania.zip
Puerto Rico0.18 MB2018-08-16OSM Trails Puerto Rico.zip
Rhode Island0.18 MB2018-08-15OSM Trails Rhode Island.zip
South Carolina0.46 MB2018-08-16OSM Trails South Carolina.zip
South Dakota0.19 MB2018-08-15OSM Trails South Dakota.zip
Tennessee0.58 MB2018-08-16OSM Trails Tennessee.zip
Texas2.26 MB2018-08-15OSM Trails Texas.zip
Utah1.19 MB2018-08-15OSM Trails Utah.zip
Vermont0.29 MB2018-08-15OSM Trails Vermont.zip
Virginia1.43 MB2018-08-16OSM Trails Virginia.zip
Washington2.41 MB2018-08-15OSM Trails Washington.zip
West Virginia0.27 MB2018-08-16OSM Trails West Virginia.zip
Wisconsin1.18 MB2018-08-16OSM Trails Wisconsin.zip
Wyoming0.45 MB2018-08-15OSM Trails Wyoming.zip

Map Installation

  1. After downloading the map, open the ZIP file and you will find a file with the name of the region that will end with ".img". This is the file you will copy to your GPS or SD card, not the file ending with ".zip"
  2. Connect your GPS to your computer, insert the SD card from your GPS into your computer if you can, or insert the SD card into an SD card reader, and then connect the SD card reader to your computer.
  3. Open Windows Explorer and select your GPS or the SD card.
  4. Open the folder with the name Garmin.
  5. Copy the file with the ".img" at the end that was in the ZIP file from your computer to the Garmin folder on your GPS or SD card.
  6. Disconnect your GPS or remove the SD from your computer or SD card reader and insert the SD card into your GPS.
  7. Power on your GPS.
  8. If the map is not visible or the trails are not visible, check your map setting to make sure the map is enabled.

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