Lago Tarahuín is a lake located in south-central Chiloé Island within Chile's Los Lagos Region. It has an area of 7.7 square kilometres. The lake is situated on the island, which suggests its character is influenced by the distinctive landscapes and temperate rainforests of the Chiloé Archipelago. The lake's size indicates it is a moderately sized body of water suitable for day trips by kayak or canoe. Boat ramps and facilities exist for an unforgettable day on the water, implying there is at least one developed access point for launching watercraft. The presence of fishing is noted, which may be a common activity on the lake. The surrounding area of Chiloé Island is known for its unique cultural history and natural beauty.