Ostional Wildlife Refuge

The Ostional Wildlife Refuge is located in the Guanacaste Province and is comprised of 180 acres of beach front. The refuge serves as a major nesting ground for the Olive Ridley turtle. During arribadas (the last quarter moon of each month during the rain season) these turtles will flood the shores with one goal in mind - to lay their eggs. They will not stop for anything and are completely focused on the task at hand!

Arribadas

Turtles nest at Ostional Wildlife Refuge all year long, but it is much more accelerated during the arribadas. During these fantastic events turtles can come in by the tens of thousands, literally covering the beaches!

Park Admission Fees and Hours

Visitors are encouraged to seek the services of guides and tours, as they are the best way to see the nesting turtles and hatching areas. Turtles nest in the evening, so it is recommended to go to the park after 6pm. Admission to the refuge during arribadas is 10USD and includes a local guide.

Weather and Packing List

The Northwest Pacific is one of the driest climates in Costa Rica. The beach areas have a fairly steady year round temperature with daytime highs averaging in the upper 80s to lower 90s. Night time lows are usually in the upper 70s. Precipitation varies through the year with the nicest weather between November and August.

Visitors should pack a bathing suit, towel, shorts, tee shirts, appropriate shoes, rain gear, sun block, and insect repellent.

Fun Fact: The turtles that nest here were also born here. Scientists believe that they can literally smell the beach they came from for hundreds of miles!

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