The Caño Negro Wildlife Refuge is host to record
numbers of migratory waterfowl. The freshwater lowlands lake which
in the rainy season is fed by the Frio River.
From San Jose, take the highway to Alajuela. From there, drive to
Ciudad Quesada, also known as San Carlos, then drive toward Los Chiles.
miles before you reach Los Chiles, you will see the turn-off to the new
to Caño Negro.