Center for Gender Equity of the University of California, San Francisco. Provides advocacy, education and support services to both women and men of UCSF and the greater San Francisco community.
iVillage -
bills itself as 'The internet for women', seems to have lots of women's health information.
Mariah Women -
MARIAH'S women-only trips combine active river wilderness adventures with exploring the natural and cultural environments of unique International destinations in the safe and secure company of other women!