
Whales July to October; turtles July to November
Whales, turtles and national parks
Humpback whales off the Pacific coast: the tourism board gives July to September on one page and July to October on another, with September as the best month. Boats must stay 250 m away. Turtles nest from July to November at Isla Cañas, La Marinera and Pablo Barrios.
Official source