Go through area, leave outside, go north
Chest 1: Small key
go through area, leave, go north
Chest 2: silver rupee
Chest 3: Compass

end up outside, cut bushes to find another hole, go down
Chest 4: Small key
Do lots of stuff
Chest 5: Small key

(use hookshot to grab eyeballs when needed)
end up outside, get chest: purple rupee

go north, go down hidden hole in bushes
Chest 6: Master Ore
Chest 7: Big Key

Fight boss
see sage