Spawning salmon are back in Lagunitas Creek in Marin County. Naturalists are leading creek walks to see the fish - some up to 2 feet long - at 10 a.m. and 1 p.m. Saturdays and Sundays. Register online to reserve a spot.
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/12/17/SP8L1B5BL0.DTL