Zora's River

From Hyrule Castle, go left and follow the river once you see the river going left, follow it left. Here you will find Zora's River.

Do: Find Zora's Domain
Get: Nothing
Meet: Nobody

Get on land first. Then move forward and talk to the owl. After he flies away, bomb a rock to get through. If you want magic beans, then talk to the bean seller. After that, go to the corner of this part of the river and jump the corner. If you're lucky, you'll land on the other side (some people think you need a cucoo to get across, but not me). Run up the path until you can no longer then turn left. Run up this path which is a bit higher. When you come to the end, jump down, and continue running, then just follow the path until you come to a waterfall. Get close up and stand on the small triforce thing in front of it. While on it, play Zelda's Lullubye to open a path behind the waterfall. This is Zora's Domain, enter it.