The Soroptimist Grove is located near Prairie Creek State Park at mile marker 129.  Under the direction of Governor Ruth Thomas Heitfield of Sacramento, the Redwood Grove in Prairie Creek State park was purchased by the clubs in Southwestern Region. The grove, consisting of 40 acres of old growth redwood, fir, and other species of trees, was purchased through the Save the Redwoods League for $10,000. 

2021-2022 - Catherine "Kate" Burns, Governor 1978-1980, SIA Vice President 1980-1982
2020-2021 - Vina Simmons
2017/2018 - Marilynn Hofstetter - SIA President 1980-1982, SI President1987-1989 -      
                                 joined 4/19/1954, transferred from Whittier 4/19/1996
2014/2015 - Ellen Dusick - joined 2/11/1971
2009/2010 - Janice Enrica Rice - joined 9/6/1990
2005/2006 - Neville Hensel - joined 7/19/1971; Elaine Todd - joined 10/5/1970
2003/2004 - Bobbi Alexander - joined 1/10/1967
2002/2003 - Marianne Gay
1999/2000 - Helen Reid
1997/1998 - Barbara Hall, Fern Enke, Zelma Ratchford
1996/1997 - Nene Collver, Alice Kjer, Madalena Roberts,
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1989/1999 - Euple Theil
1988/1999 - Kathleen Halvorsen, Imogene B. Platt (Charter Member) - joined 5/28/1938
1986/1987 - Aurea Barnard
1985/1986 - Margery B. Autrey
1983/1984 - Dorothy Flower Way, Ruby Shanahan
1982/1983 - Jean Wyckoff
1981/1982 - Geneva Rooney
1980/1981 - Margaret Agnes Delaney,  Helen B. Murie (Charter Member) -
                                joined 5/28/1938
1979-1980 - Jessamine Montelbetti
1976/1977 - Gladys Gresham
1975/1976 - Ellen May Burns, Frances Heuer
1973/1974 - May M. Pettengill (Charter Member) - joined 5/28/1938
1972/1973 - Ruth Replogle
1971/1972 - Winifred Edwards
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1961/1962 - Annie McGaraghan, Nova Marshall
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