Lake Hule

Lake Hule (Laguna de Hule), which translates to Lake of Rubber, due to the abundance of rubber trees nearby, is a fresh water crater lake located in the northern highlands of Costa Rica. It is part of a complex of lakes comprising Lake Hule, Lake Congo and Lake Bosque Alegre. The lakes are part of the Bosque Alegre Wildlife Refuge.

Location
It is located in Los Ángeles Sur, of Río Cuarto canton, in Alajuela province.

Physical aspects
Lake Hule is a maar lake located within a crater, with an almost circular outline. There is no secondary volcanic activity present.

It is filled by three small streams that drain the north slope of Congo Volcano