For DS - The Legend of Zelda Ocarina of Time Walkthrough Part 17: Frozen Zora's Domain and the Ice Cavern
Woo-wee! Okay folks, now that the Lava Dragon Thingy is dead, we can head on down to the next temple: The Water Temple. Wait. No we can't. Because we're gonna need some special stuff... Such as... the... The... Okay! Got it? We're going to get that next. That item. It's found in the Ice Cavern, which is in Zora's Domain. So... come on, folks! First of all, after you save the Fire Temple, Darunia (he's a sage!!!)appears to hand over the Fire Medallion. Sweet! Okay, now on to the other three sages: Na - Wait, can't tell you their names yet. Sorry. From Death Mountain, head to Zora's Domain (note: the big red boulders scattered around Hyrule can only be smashed with the hammer, not bombs, and so you can smash them all now for fun stuff. But I'm too lazy to elaborate on all of that, so... yeah. Smash boulders). Upon entrance, you'll notice something: It's completely frozen. The water, and... oh... yeah... King Zora is