The Sonoma Mountain Ranch Preservation Foundation occupies the Mitsui Ranch at the top of Sonoma Mountain in Sonoma County, California.

Mission Statement: Sonoma Mountain Ranch Preservation Foundation is a charitable, tax-exempt 501(c)(3) organization, dedicated to preserving the natural beauty and biodiversity of the Sonoma Mountain area, and providing education and guidance, through research, for the preservation and enhancement of agricultural, natural, scenic, and open lands. The Foundation promotes best grazing practices and management activities that preserve, steward, and enhance Foundation land and maintain habitat for special-status species present there.


USGS PLSS: Straddles T6N R6W S25; T6N R7W S24, 27, and 36 Glen Ellen Quadrangle

Lat/Long: 38.331581; -122.578907 (WGS 1984)


  1. Joseph Darriau
    Jun 13, 2016 @ 20:13:35


    This is a very informitive and nicely done website!!


    joe at Van Acker Construction.


  2. Michael McLucas
    Dec 31, 2016 @ 19:02:38

    I believe I have active badger activity on my property. If you would like to place a capture camera in my property I would not be opposed.


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