Environmental Education Center Detour: 

Access to the Environmental Education Center in Alviso has changed temporarily while an underground utility line is being installed.  See map (267 KB, pdf) for alternate route.

Trail Closures:  

Crescent Trail near Refuge Headquarters by the Fishing Pier is undergoing levee maintenance.  Expected to reopen in 2014. 

The Shoreline Trail by the Dumbarton Bridge is closed for levee maintenance.  Expected to reopen July 1, 2013.

The Bair Island Trail in Redwood City is closed until May 19, 2013 for grading and kiosk installation.