Taal is a freshwater lake in the province of Batangas, on the island
of Luzon in the Philippines. The lake fills Taal Caldera, a large volcanic caldera
formed by very large eruptions between 500,000 and 100,000 years ago. It
is the country's third largest lake after Laguna de Bay and Lake Lanao. Volcano
Island, the location of Taal Volcano's historical eruptions and responsible for
the lake's sulfuric content, lies near the center of the lake. There is a crater
lake on Volcano Island, which is the world's largest lake on an island (Volcano
Island) in a lake (Taal Lake) on an island (Luzon). Known as the
