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
Alabama0.39 MB2018-05-17OSM Trails Alabama.zip
Alaska0.41 MB2018-05-17OSM Trails Alaska.zip
Arizona1.59 MB2018-05-17OSM Trails Arizona.zip
Arkansas0.26 MB2018-05-17OSM Trails Arkansas.zip
California5.78 MB2018-05-17OSM Trails California.zip
Colorado2.86 MB2018-05-17OSM Trails Colorado.zip
Connecticut0.68 MB2018-05-17OSM Trails Connecticut.zip
Delaware0.15 MB2018-05-17OSM Trails Delaware.zip
District of Columbia0.12 MB2018-05-17OSM Trails District of Columbia.zip
Florida1.75 MB2018-05-17OSM Trails Florida.zip
Georgia0.82 MB2018-05-17OSM Trails Georgia.zip
Hawaii0.15 MB2018-05-17OSM Trails Hawaii.zip
Idaho0.43 MB2018-05-17OSM Trails Idaho.zip
Illinois1.55 MB2018-05-17OSM Trails Illinois.zip
Indiana0.73 MB2018-05-17OSM Trails Indiana.zip
Iowa0.59 MB2018-05-17OSM Trails Iowa.zip
Kansas0.51 MB2018-05-17OSM Trails Kansas.zip
Kentucky0.37 MB2018-05-17OSM Trails Kentucky.zip
Louisiana0.18 MB2018-05-17OSM Trails Louisiana.zip
Maine0.53 MB2018-05-17OSM Trails Maine.zip
Maryland1.06 MB2018-05-17OSM Trails Maryland.zip
Massachusetts1.81 MB2018-05-17OSM Trails Massachusetts.zip
Michigan1.68 MB2018-05-17OSM Trails Michigan.zip
Minnesota1.43 MB2018-05-17OSM Trails Minnesota.zip
Mississippi0.13 MB2018-05-17OSM Trails Mississippi.zip
Missouri0.88 MB2018-05-17OSM Trails Missouri.zip
Montana0.45 MB2018-05-17OSM Trails Montana.zip
Nebraska0.45 MB2018-05-17OSM Trails Nebraska.zip
Nevada0.51 MB2018-05-17OSM Trails Nevada.zip
New Hampshire0.63 MB2018-05-17OSM Trails New Hampshire.zip
New Jersey0.86 MB2018-05-17OSM Trails New Jersey.zip
New Mexico0.71 MB2018-05-17OSM Trails New Mexico.zip
New York1.83 MB2018-05-17OSM Trails New York.zip
North Carolina1.26 MB2018-05-17OSM Trails North Carolina.zip
North Dakota0.16 MB2018-05-17OSM Trails North Dakota.zip
Ohio1.39 MB2018-05-17OSM Trails Ohio.zip
Oklahoma0.38 MB2018-05-17OSM Trails Oklahoma.zip
Oregon1.51 MB2018-05-17OSM Trails Oregon.zip
Pennsylvania1.72 MB2018-05-17OSM Trails Pennsylvania.zip
Puerto Rico0.17 MB2018-05-17OSM Trails Puerto Rico.zip
Rhode Island0.18 MB2018-05-17OSM Trails Rhode Island.zip
South Carolina0.45 MB2018-05-17OSM Trails South Carolina.zip
South Dakota0.19 MB2018-05-17OSM Trails South Dakota.zip
Tennessee0.55 MB2018-05-17OSM Trails Tennessee.zip
Texas2.02 MB2018-05-17OSM Trails Texas.zip
Utah1.12 MB2018-05-17OSM Trails Utah.zip
Vermont0.28 MB2018-05-17OSM Trails Vermont.zip
Virginia1.39 MB2018-05-17OSM Trails Virginia.zip
Washington2.31 MB2018-05-17OSM Trails Washington.zip
West Virginia0.26 MB2018-05-17OSM Trails West Virginia.zip
Wisconsin1.14 MB2018-05-17OSM Trails Wisconsin.zip
Wyoming0.44 MB2018-05-17OSM 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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