Guacho Lake is an Andean glacial lake, runs northwest to southeast with a length of 4.6 km, it is located about ten kilometers north of the eastern part of Lake General Vintter. It receives water from Lake Guacho Superior, whose emissary has a length of only 150 meters, which contributes its waters at the northwest end, being its main tributary. Its emissary, the Guacho stream, originates in the southeast and converges on the left bank of the Corcovado River.
Lakes Pico Uno, Dos, Tres, Cuatro, and Cinco: are of glacial origin and they belong to the Corcovado/Palena River basin, which drains into the Pacific Ocean. Brown trout, rainbow trout, brook trout, and Chinook salmon fishing are practiced in these lakes.