Where does perseus guess calibos vulture take the sleeping princess Andromeda?

In the 1981 film "Clash of the Titans," Perseus guesses that Calibos, who has been transformed into a monstrous figure, takes the sleeping princess Andromeda to a remote altar where she is to be sacrificed to the sea monster Kraken. Perseus, determined to save her, embarks on a quest to rescue Andromeda and confront Calibos. His intuition is driven by his love for her and the need to thwart the impending doom threatening both her and the kingdom.