Mt.pyre is located south of lilycove city u need a hm surf to go there there is no spirit the Pokemon in there is shuppet,syther,lapras,duskull,chimecho,vulfix,also wingull you can find also items...
This is simple: You head south from route 121 (you have to surf across), and go to the other side of the big rock in the middle of the water, and there should be an opening. That's the entrance to...