By Bus and By Boat
From Upala and Los Chiles you can get here by land and by boat, from Los Chiles or San Rafael de Guatuso. The buses to/from Caño Negro stop in the center of the village. From Upala there is a daily bus between Upala and Caño Negro. From Los Chiles, there is a bus to Upala that leaves on Monday, Wednesday and Friday at 1:00 p.m passing by Caño Negro. Many boats go down the Río Frio on one day trips. During the rainy season the boat that goes down the river can also arrive as far as the lake in the center of the park and stop at the Hotel de Campo Caño Negro, close to the village and the forest post. There is a bridge over the Río Frio that joins Los Chiles and Caño Negro, as well as a ferry for cars.
To get to San Rafael de Guatuso, via the southeast route, you will need to travel 11 km, when in Colonia, Puntarenas there is an exit that says “Caño Negro” continue a further 26 km. The road is not tarmac and is 19 km long; it will take you to Los Chiles – Muelle, some 10 km to the south of Los Chiles.