The Guam National Wildlife Refuge maintains operational hours of Wednesday to Sunday, 7:30 a.m. to 4:00 p.m., and is closed Monday, Tuesday, Federal Holidays, and during hazardous ocean conditions. For more information, call our office (671) 355-5096 or email us at ritidian@fws.gov. Visitors are also encouraged to stop by our Ritidian Nature Center to learn more about the refuge and everything it has to offer.

When the refuge is closed, no walking entry is permitted. 

For questions related to related to species lists, technical assistance, consultations, or research and recovery permits, please contact Pacific Islands Fish and Wildlife Office, Ecological Services at pifwo_admin@fws.gov or call 671-989-6743 web page: http://www.fws.gov/pacificislands/