tagaytay..home to taal lake and volcano

Tagaytay lies on top of Tagaytay Ridge which, at 640 m (2,100 ft)above sea level, is the highest point in Cavite. The city is located in the Province of Cavite, on the island of Luzon, approximately 56 km (35 mi) south of Manila.

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Taal Lake is home to a venomous black and white "sea snake" (Hydrophis semperi). This species is one of only a few snakes of its type that breeds in freshwater. Taal Lake is also habitat of world's only freshwater sardine, Sardinella tawilis. The fresh water lake is located within a complex volcanic caldera, one of the great volcano-tectonic depressions of the world

Hydrophis semperi

Sardinella tawilis

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Taal Volcano, which is reputed to be the world's smallest and yet most active. It stands on its own island amid a landscape of ash and cinder. Taal Volcano itself has a lake of its own inside its crater called "Crater Lake". One can even swim inside the Crater Lake but the lake's water is a very diluted form of sulfuric acid with high concentration of boron, magnesium, aluminum and sodium in salt form. Its mean depth measures 20 m. In its dark water no life of fish is possible.