Park Description: This is a mixed pine forest including Madrone, Maple and  Redwood located about a mile southeast of Angwin in Napa County. The  800 acre State Forest was established around 1930 for the sole purpose of study and research.

Directions: From Hwy. 29, drive East on Deer park about 6.5 miles until Cold Springs Rd.just before Angwin. Take a left on Cold Springs for another mile to a sharp right curve at which point the road becomes Las Posadas Rd. Park here. The park is straight ahead being a pie shaped wedge that runs along Las Posadas Rd. Entry is through an opening between two posts.
Google Map

Cost: Free. Access for research only.  

Trail Map: No official map exist, but a topo map is here

     March 29, 2007
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     April 17, 2007
     May 7, 2009
     February 25, 2010
     May 20, 2010
     June 16, 2010









There are 3 pictures

Canyon forest scene