You push a block. It's the only crate in the jail.
At the fishing hole in upper zora's river. It just a door on the wall and u can catch the bass any where in the hole
in front of the second tree from the mailbox on molida island.
There is a hole in which you can dig through to get under the house.
Go to the upper right corner and use dig around there and there should be a hole.
Go to kakariko village and drag the graves back until you find the one with a hole below it. (There may be a couple with holes but you'll know which one)
If you are referring the watering hole from Legend of Zelda: Twilight Princess, the watering hole is located just south of the Zora's domain, not far from the fishing hole as well as the howling stone.
Use the spinner and go on tracks then press A to jump off.
you have to find the map that shows the way. You can find it after you go to Alida island or whatever, then dig in front of all the trees, one should make an oversized hole, go through it, then read the map above you.
find the back of the bomb house and crawl through the hole(dont skip through the cutscene, and read what they say) =0 -metroid specialist
obtain the bomchu bag and draw it through a small hole on goron island maze
Walk a few steps west from Romanos' House until you see a palm tree one step away from the walkway. Dig right in front of the palm tree you see a hole drop into it to find the 2nd hideaway.
You have to go to the pile of dirt in the top-right corner, then you dig. After that, you'll have to go through sewers, but it's a long journey to the end of the game, it's a really long game. But it's worth it