The official housing block closed on 2 November 2012 and all room reservations have been submitted to the AGU hotels. If you need to change or cancel your reservation, please contact your hotel directly. For any other inquiries, please contact AGU’s customer service department at 866-229-3691 (toll free) or 1-301-694-5243 (international) or e-mail between the hours of 9:00 am – 6:00 pm eastern time Monday – Friday.

If you need to book housing accommodations, AGU recommends contacting ARES, the official housing partner of the San Francisco Convention & Visitors Bureau. Hotel reservations may be booked online by clicking here or contact the ARES Reservation Center at 1-888-330-9969. The ARES Housing System is a third party travel planner, therefore, any questions on hotel policies stated or payments made on the ARES website should be directed to the ARES Reservation Center or to the hotel directly.