Lago Yahuecas is a natural lake located in the mountainous region of Adjuntas, Puerto Rico. The lake is surrounded by lush vegetation and features crystal-clear waters. Lago Yahuecas has a rich history, as it was used by the Taíno Indians to purify their bodies and spirits. The hydrology of the lake is mainly fed by surface flow and snowpack from the surrounding mountains. The lake is a vital source of water for agricultural purposes, and its waters are also used for recreational activities such as swimming and boating. The surrounding area is known for its coffee plantations, which use the lake's water for irrigation. Lago Yahuecas is an essential natural resource in Puerto Rico and its preservation is vital for the local ecosystem and economy.