Quadrant A1 is complete and with it the Western Tal Tal Mountain Range
Another back entrance to Turtle Rock, a Heart Piece is located at the top of the stairs
The Western Tal Tal Mountains, not as impressive as their Eastern Counterpart, but far more deadly.
Koholint Island as it stands right now, you can see where Mt. Tamaranch will go, right between the Eastern and Western Mountains.
The next, and final, area is Mt. Tamaranch