The links provided contain the following GCI Submarine Cable Information:


All of the major GCI cables are provided graphically on chartletts for general information purposes. Please note that chartletts are not intended to be used for navigation.

Route Position Lists (RPL)

All of the major GCI cable routes are provided in latitude, longitude, depth, lists in several different file formats: MS-DOS text, Microsoft Excel, Comma Separated File (CVS), Navigation Object file for Rose Point Coastal Explore, MapTech route file, Google Earth KML file, Garmin Track File, GPX-GPS exchange format, ECC-Globe data base file, and Open Nav text format for easy import into most chart plotter programs. Note that the Open Nav and Navigation Object file formats includes the boundaries for the National Marine Fisheries Essential Fish Habitats, and pertinent Local Notice to Mariners updates. These files can be used to either manually or transfer the cable routes into vessel GPS chart plotters, computer, or electronic navigation system. Please give cables at least a º mile clearance when bottom fishing, anchoring, or doing any type of sea bottom activity.

File extensions:

.pdf Portable Document File
.csv Comma separated File
.nob Navigation Object File (Rose Point Coastal Explorer)
.rfx MapTech route file
.kml Google Earth
.txt Open Nav file (in fish open nav folder, exportable to numerous navigation softwares)
.gpx GPS exchange format
.trk Garmin track file
.mdb ECC-Globe data base file

If you believe your gear or anchor has come in contact with a submarine cable,
call GCI 7 days a week, 24 hours a day at:

888-442-8662 or 907-868-5555

If in Oregon, call the Oregon Fishermen’s Cable Committee (OFCC) at:


Information provided up to date as 3/13/2013.

All cables in one file pdf nob kml txt
gpx trk mdb
Individual Files
Juneau Gastineau Channel Crossing csv
AUE Seg A Whittier to Gulf of Alaska csv
AUE Seg B Lynn Canal to Gulf of Alaska csv
AUE Seg C Puget Sound to Pacific Ocean csv
AUE Seg D Valdez to Whittier csv
AUSE-2 Ketchikan to Wrangell pdf | csv
AUSE-3 Wrangell to Mitkof Island pdf | csv
AUSE-4 Petersberg to Juneau pdf | csv
AUSE-5 Angoon to Hawk Inlet pdf | csv
AUSE-6A Angoon to Sergius Narrows csv
AUSE-6B Schulze Cove to Sitka csv
Stephens Passage to Snettisham csv
Stephens Passage to Taku csv
Seward to Gulf of Alaska csv
Clatsop Spit to Pacific Ocean csv
AUW-3 Ketchikan to Gulf of Alaska pdf | csv
KKCC1 Anchorage to Kenai pdf | csv
KKCC2 Kenai to Homer pdf | csv
KKCC3 Homer to Mill Bay, Kodiak pdf | csv
KKCC4 Mill Bay, Kodiak to Narrow Cape, Kodiak pdf | csv
KKCC5 Narrow Cape, Kodiak to Seward pdf | csv
Lynn Canal to Douglas Island csv
TERRA SW1 Homer to Iliamna Bay pdf | csv
Gulf of Alaska Cables pdf
Pacific Northwest Cables pdf