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
Alabama0.90 MB2024-03-31OSM Trails Alabama.zip
Alaska0.93 MB2024-03-31OSM Trails Alaska.zip
Arizona3.05 MB2024-03-31OSM Trails Arizona.zip
Arkansas0.69 MB2024-03-31OSM Trails Arkansas.zip
California11.58 MB2024-03-31OSM Trails California.zip
Colorado5.13 MB2024-03-31OSM Trails Colorado.zip
Connecticut1.76 MB2024-03-31OSM Trails Connecticut.zip
Delaware0.25 MB2024-03-31OSM Trails Delaware.zip
District of Columbia0.27 MB2024-03-31OSM Trails District of Columbia.zip
Florida4.22 MB2024-03-31OSM Trails Florida.zip
Georgia1.75 MB2024-03-31OSM Trails Georgia.zip
Hawaii0.29 MB2024-03-31OSM Trails Hawaii.zip
Idaho1.55 MB2024-03-31OSM Trails Idaho.zip
Illinois2.95 MB2024-03-31OSM Trails Illinois.zip
Indiana1.76 MB2024-03-31OSM Trails Indiana.zip
Iowa1.34 MB2024-03-31OSM Trails Iowa.zip
Kansas0.77 MB2024-03-31OSM Trails Kansas.zip
Kentucky0.89 MB2024-03-31OSM Trails Kentucky.zip
Louisiana0.38 MB2024-03-31OSM Trails Louisiana.zip
Maine0.99 MB2024-03-31OSM Trails Maine.zip
Maryland1.94 MB2024-03-31OSM Trails Maryland.zip
Massachusetts3.34 MB2024-03-31OSM Trails Massachusetts.zip
Michigan4.14 MB2024-03-31OSM Trails Michigan.zip
Minnesota2.77 MB2024-03-31OSM Trails Minnesota.zip
Mississippi0.35 MB2024-03-31OSM Trails Mississippi.zip
Missouri1.36 MB2024-03-31OSM Trails Missouri.zip
Montana1.12 MB2024-03-31OSM Trails Montana.zip
Nebraska0.83 MB2024-03-31OSM Trails Nebraska.zip
Nevada1.19 MB2024-03-31OSM Trails Nevada.zip
New Hampshire1.18 MB2024-03-31OSM Trails New Hampshire.zip
New Jersey1.97 MB2024-03-31OSM Trails New Jersey.zip
New Mexico1.45 MB2024-03-31OSM Trails New Mexico.zip
New York4.50 MB2024-03-31OSM Trails New York.zip
North Carolina2.48 MB2024-03-31OSM Trails North Carolina.zip
North Dakota0.37 MB2024-03-31OSM Trails North Dakota.zip
Ohio3.08 MB2024-03-31OSM Trails Ohio.zip
Oklahoma0.61 MB2024-03-31OSM Trails Oklahoma.zip
Oregon2.72 MB2024-03-31OSM Trails Oregon.zip
Pennsylvania3.65 MB2024-03-31OSM Trails Pennsylvania.zip
Puerto Rico0.21 MB2024-03-31OSM Trails Puerto Rico.zip
Rhode Island0.38 MB2024-03-31OSM Trails Rhode Island.zip
South Carolina0.90 MB2024-03-31OSM Trails South Carolina.zip
South Dakota0.33 MB2024-03-31OSM Trails South Dakota.zip
Tennessee1.63 MB2024-03-31OSM Trails Tennessee.zip
Texas4.74 MB2024-03-31OSM Trails Texas.zip
Utah2.55 MB2024-03-31OSM Trails Utah.zip
Vermont0.66 MB2024-03-31OSM Trails Vermont.zip
Virginia2.91 MB2024-03-31OSM Trails Virginia.zip
Washington4.27 MB2024-03-31OSM Trails Washington.zip
West Virginia0.55 MB2024-03-31OSM Trails West Virginia.zip
Wisconsin2.45 MB2024-03-31OSM Trails Wisconsin.zip
Wyoming1.24 MB2024-03-31OSM 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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