Here in Costa Rica, we are known for our diverse wildlife and stunning landscapes, it is this environment that offers a unique natural phenomenon that attracts nature enthusiasts from around the world: the Arribada. This Spanish term, meaning “arrival,” refers to the mass nesting of Olive Ridley Sea Turtles, a spectacle where thousands of turtles come ashore to lay their eggs. If you’re planning to witness this incredible event in 2024, timing is crucial. Here’s your guide to the best months to experience an arribada in Costa Rica.
Every year we update travelers to the best time of the year to see an Arribada. Predicting an Arribada precisely is impossible, they often start coming a week before a new moon, sometimes after, we can only hope to be in the right place at the right time when it comes to Mother Nature.
Understanding Arribadas
Before delving into the best times to visit, it’s essential to understand what makes arribadas so special. Olive Ridley sea turtles, although the most abundant of the sea turtles, are listed as vulnerable due to threats like poaching and habitat loss. They usually nest individually, but during an arribada, they come in thousands, offering a breathtaking and rare wildlife spectacle.
Prime Months for Arribadas – Best time to see and Arribada in Costa Rica
Arribadas occur several times a year, but predicting the exact timing can be challenging as it’s influenced by the moon’s cycle and ocean currents. However, in Costa Rica, the most notable Arribadas happen at Ostional Wildlife Refuge on the Nicoya Peninsula, typically between July and December. In 2024, the prime months to witness this event are expected to be between August and October.
Having said this, Arribadas of varying size happen almost monthly, and it is the darkest nights the turtles are most active so you want to plan to be in the area around a New Moon.
Here is a quick chart going over the moon phases in 2024, around the new moon, darker nights are what you want as a general rule, but you can never truly predict when it will start.
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August to October: Peak Season – Best time to see an Arribada in Costa Rica
August marks the beginning of the peak season for arribadas in Costa Rica. During this time, the chances of witnessing large numbers of turtles are higher, but turtle nesting happens monthly throughout the year. September often sees the largest arribadas, with October following closely. These months coincide with the rainy season in Costa Rica, which may bring challenges such as muddy roads and heavy showers, but the experience of seeing thousands of turtles nesting is unparalleled.
Tips for Visiting During Arribada
- Respect Wildlife: Always maintain a safe distance from the turtles and follow guidelines set by local authorities and guides. Disturbing the turtles can affect their nesting behavior.
- Hire a Local Guide: Local guides are knowledgeable about the turtles and can enhance your experience while ensuring that the turtles are not disturbed.
- Be Prepared for Rain: Since the peak months fall in the rainy season, pack accordingly with waterproof gear and be ready for sudden showers.
- Book in Advance: Accommodations near Ostional Wildlife Refuge can fill up quickly during arribada season. Plan and book your stay well in advance.
- Night Visits: The majority of nesting happens at night. Joining a guided night tour can be a magical experience, but remember to use red lights as regular flashlights can disorient the turtles.
Witnessing an arribada in Costa Rica is a once-in-a-lifetime experience. The best months in 2024 to see this natural wonder are from August to October, with each month offering a unique aspect of this extraordinary event. By planning ahead, respecting the wildlife, and immersing yourself in this natural phenomenon, you’re set for an unforgettable journey into the heart of one of nature’s most incredible events.