if you mean Gibdo vally in Majoa's mask, then under the well
depends... WHICH CHEST!?
floods the valley?
Valley of the Flood was the some Zelda fans's speculated name for Skyward Sword.
shoot it with your bow
The Legend of Zelda Valley of the Flood
you roll into the poll/wall
You don't get the mirror shard from a chest. You have to defeat a boss to get a mirror shard.
In Haunted wasteland :).= = = =
you go around it
The big key
get the boomerang.
cal on the allpowerful n1gg@ he will jump and get it for you.