National marine sanctuary act

U.S. flag

An official website of the United States government

Here’s how you know

Here’s how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( Lock A locked padlock

) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

<a href=The Point Arena lighthouse watches over the northern part of Greater Farallones National Marine Sanctuary. Greater Farallones expanded in 2015 to encompass more than 3,000 square miles off the coast of California, including the rich upwelling zone that originates off of Point Arena and flows south. " width="1275" height="717" />

The Point Arena lighthouse watches over the northern part of Greater Farallones National Marine Sanctuary. Greater Farallones expanded in 2015 to encompass more than 3,000 square miles off the coast of California, including the rich upwelling zone that originates off of Point Arena and flows south. (Image credit: NOAA/Matt McIntosh)