Zora's Fountain

The source of all of Hyrule's water, in OoT. The Zora's Fountain in connected to Zora's Domain and Zora's River. At the back of the fountain is the Ice Cavern, and a Fairy Fountain. Floating in the centre of the fountain is Lord Jabu Jabu. It is also very deep, and if you sink to the bottom with your Zora tunic and Iron Boots, you will find a heart piece, and several green rupees.