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Features

  • Coconut Crab

    Coconut Crab

    The slow growth of the world’s largest terrestrial arthropod, the coconut crab, makes it susceptible to even low levels of exploitation.

  • Rotator_Turtle

    Green Turtle

    The green turtle, or haggan, can grow to approximately four feet in shell length and weigh up to 300 pounds.

  • Mariana fruit bat rotator

    Mariana Fruit Bat

    This fruit bat, known locally as fanihi, sleeps during much of the day, but can also be found grooming, scent rubbing, flying, and climbing.

  • Serianthes_flower

    Serianthes Tree

    Serianthes nelsonii, also known as Hayun lagu, is an endangered endemic tree found only on the islands of Guam and Rota.

Welcome

Visit the Refuge

Guam National Wildlife Refuge, Ritidian Unit welcomes the public free of charge. Visitors can explore roughly two miles worth of trails, visit latte stone and other cultural sites, relax on a beautiful white-sand beach, or schedule a tour of the numerous caves found along the limestone cliff line. Visitors can also experience what Guam may have looked and sounded like 500 years ago, by visiting our Nature Center building, where four 16-foot murals depict Guam’s natural environment before European contact. Disclaimer:  There are no lifeguards on duty and ocean currents can be very strong. Stinging jelly fish (Man of war) are also occasionally found . Therefore, caution and the use of life-jackets is highly recommended for water activities. For other tips and safety suggestions, we recommend checking out our Plan Your Visit page.

Schedule a Cave Tour

Hours of Operation

Refuge: Daily 0730-1600; Nature Center Building: M-Sat. 0900-1500

The Refuge is open seven days a week, except federal holidays or during life-threatening weather conditions. Please check the National Weather Service’s website below, to determine if there are any active weather advisories for Guam; if active advisories exist, the refuge will be closed (Note: keep a lookout for closure signs along route 3A). Once active advisories have been lifted, refuge operations will return to normal. The refuge may also close based on refuge staff discretion, if hazards are identified. The Nature Center building is closed on Sundays.

National Weather Service - Guam Advisories

About the NWRS

National Wildlife Refuge System

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The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America’s fish, wildlife, and plants.

Learn more about the NWRS  

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What's Going on at the Refuge

  • Litekyan's Cultural Resources

    Litekyan (Ritidian) is one of the most culturally rich and powerful places on Guahan (Guam).

    Learn more
  • Camp Shutterbug

    Raising children’s awareness and appreciation of the outdoors and nature through the “LET’S GO OUTSIDE” initiative program, the Refuge hopes that the “Shutterbugs” will return to Guam’s Ritidian Refuge after their experiences in the caves, shoreline and nature trails while on their photography expedition for next year’s workshop.

    Camp Shutterbug
  • News From the Refuge

    Check out the latest updates and happenings from around the Refuge

    News
Last Updated: May 25, 2016
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