First go to LAVARIDGE TOWN then got to Route 112 then go down and run until you reach Route 111 and then go to dessert and use maxrepel the go down until you find a cave that have already a hole then go inside to the cave...and then go up and the press A button and press B button to cancel then turn to youre right and walk 3times and face down and walk 2times and use strenth and the cave will open and go inside again and prepare to battle ande to catch Regirock...