Left photo ©2009 Steve Uzzell. All Rights Reserved.
IONS has two locations
EarthRise at IONS, our Retreat Center, is located on 194 acres of rolling hills about 10 minutes from downtown Petaluma.
101 San Antonio Rd., Petaluma, CA 94952 USA
IONS' Research and Educational Offices are at Foundry Wharf on the Petaluma river in downtown Petaluma. (map)
625 2nd St., Suite 200, Petaluma, CA 94952-5120
MAILING: Be sure to use the correct address for the campus you are mailing to!
See a full list of EarthRise Contacts »
877.769.4667 (International callers use 707-779-8200)