Operational Changes Took Effect on May 1
The Lighthouse Visitor Center is now only open Fridays through Mondays. The Kenneth C. Patrick Visitor Center will be closed through late December 2013. More »
2013 Harbor Seal Pupping Season Closures
From March 1 through June 30, the park implements closures of certain Tomales Bay beaches and Drakes Estero to water-based recreation to protect harbor seals during the pupping season. Please avoid disturbing seals to ensure a successful pupping season. More »
Lightscape / Night Sky
Pollution of dark night skies with artificial light is a problem in much of the world. We have only begun to explore its ecological effects, such as impacts on migrating birds, turtles, and other species, as well as possible impacts on predator processes and plant dynamics whose phenology depends on daylength.
National parks represent some of the last opportunities to protect nighttime darkness. We can often identify specific sources of light pollution outside of park boundaries, and work with our neighbors to modify them. We also need to identify sources of light pollution generated by the National Park Service within parks and take steps to ensure that our lighting systems in parking lots, maintenance yards, and other facilities are properly designed.
Did You Know?
Since the restoration of the Giacomini Wetlands in 2008, the tidewater goby--a federally endangered brackish-water resident fish species--has not only been observed in the newly restored channels and ponds, but in Lagunitas Creek, where it had previously not been documented since 1953. More...