Come outside! 
The Martin Griffin Preserve is open to the public for hiking, nature exploring and observing the historic heronry. 

Open
Saturday, Sunday and Holidays through Sunday, July 15, 2012 : 10am - 4pm, no reservations

Tuesday through Friday through August 8, 2012: 10am to 4pm, reservation requested at 415.868.9244

Closed Mondays
 

$15 donation requested 

For more information on nesting activities in the heronry, click here. 

For directions and other information, click here