Great Hyrulean Lakes

The Great Hyrulean Lakes is the name of a series of three large, freshwater lakes in the land south of the Central Hyrule Grasslands, which is colloquially referred to as the Lake Hylia Area. The three lakes are (from largest to smallest): Lake Hylia, Lake Floria, and Lake Harkinian.
Lake Hylia is fed by the Zora River. In turn, Lake Floria and Lake Harkinian are fed by ______ river. Both Lake Floria and Lake Harkinian empty into the _____ sea.