WARMGOLD

Hi My screen name is WARMGOLD
I am NEW TO USING the DS nintendo I have enjoyed finishing Prince Caspin but have got stuk on Zelda Phantom of the hourglass
I am on the Isle of Gust, jumped the three platforms to the west fough the goblins and enemies, trying to get into where the caven after digging and collecting my gems I have gone back down the stars and up a flight to the South which is the only way I can see to jump into where the caven is, but the wind is blowing the oppisite way and I cant get over the wall to the caven, everywhere I look it says just walk north to the caven but its blocked by the wall can any one HELP PLEASE