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Fact Sheet

Monument Fact Sheet

Located in the Mariana Archipelago east of the Philippines,the Marianas Trench Marine National Monument protects approximately 95,216 square miles of submerged lands and waters.

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Advisory Council

Advisory Council

The Mariana Trench Monument Advisory Council (MTMAC) provides advice and recommendations on the development of management plans and management of the monument.

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About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America’s fish, wildlife, and plants.

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What's New

  • Draft EA open for public comment

    The U.S. Fish and Wildlife Service, in cooperation with NOAA Fisheries and the Commonwealth of Northern Mariana Islands (CNMI) Government, is requesting public comment on a Draft Environmental Assessment for the proposed Marianas Trench Marine National Monument (Monument) Northern Islands Submerged Lands Transfer to the Commonwealth of the Northern Mariana Islands (CNMI). The Draft EA was developed in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the CNMI Government. The public comment period is open from May 4 – June 6, 2016.

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  • The latest from the Mariana Trench

    Ayotte persian carpet

    Links for videos, resources and the latest discoveries

    External Links and Resources
  • James Cameron's Diving Expedition

    Join James Cameron and the National Geographic Society on the ride of your life to the bottom of the Mariana Trench! A 3D documentary chronicling filmmaker James Cameron's diving expeditions in his Deepsea Challenger submarine.

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Page Photo Credits — NOAA
Last Updated: May 03, 2016
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