The following are links to the web sites of some other environment focused organizations. If you know of an organization that should be included on this list, please send its name and URL to Sierra Singles, Post Office Box 5085, San Mateo, Ca. 94402. Your recommendation will be reviewed by the Steering Committee.

This is the Sierra Singles group that is part of the Loma Prieta Chapter Sierra Club that includes San Mateo and Santa Clara counties.

A number of San Francisco Bay Chapter Sierra Singles leaders are also leaders of the Bay Area Jewish Singles Hiking Club.