Olive Ridley Sea Turtle,  Ostional Costa Rica

“Arribada” Olive Ridley Sea Turtles Arrive to Ostional Costa Rica

“The Phases of the Moon, Rainfall, and Black Volcanic Sand of the Beaches at Ostional”  “Arribada” Costa Rica

Traveling to Costa Rica and want to see the nesting rituals of the Olive Ridley Sea Turtle?  Then come in the months of August through December when there is more rainfall on the central Pacific Nicoya Peninsula at a place called Ostional Beach.  It is located near the town of Nosara.

A phenomenon called “arribada” occurs.  This is a Spanish word meaning arrival.  Hundreds or even thousands of Olive Ridley sea turtles arrive  upon these dark sandy beaches to nest and lay their eggs.

The largest arribada recorded was in 1995 when 500,000 turtles came onto this fifteen km stretch of beach and laid up to ten million eggs.

The Costa Rican gov has established a protected area for these sea turtles called The Ostional Wildlife Refuge.

After 45-55 days the eggs hatch and the small turtles race to the ocean.  After approx 15 years these same turtles return to this place of their birth and lay their eggs into the black volcanic sands of Ostional.

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