well...1st you've got to go to animal village..you can get there by going to the right part outside the village "Ukuku P." wonder around untill you'll find a Flower (just 1 in the map beside a Strawberry like stone) cut it then go through..untill you'll reach Animal Village...go to the down part and left of part of the village "ANIMAL VILL." and you'll see a Walrus..If you have pass the walrus there you can now reach the Desert just beside the walrus (Back of the walrus)