Lago Todos los Santos, or All Saints Lake, is located within Vicente Perez Rosales National Park in the lakes region of southern Chile. Sometimes it is referred to as Lago Esmeralda, which means Emerald Lake, due to its emerald green color. It is one of the biggest attractions in the national park. The lake was formed by glacial and volcanic activities. It is covers an area of about 69 square miles, and it has a maximum depth of about 1,105 feet. The lake flows into the Petrohué River and the Petrohué Waterfalls.
Visitors come to Lake Todos los Santos for boating, kayaking, rafting, swimming, and fishing. You can also enjoy hiking near the lake and watching for native animals in the area. From the lake, you can also see Osorno Volcano, Puntiagudo Volcano, Tronador Volcano. The lake has two ports, Peulla and Petrohue, which are part of the Lakes Cross, connecting Puerto Varas to Argentina.