you get the hm waterfall and then teach it to a Pokemon then if you have pearl dimondor platinum you go to mt cornet but for soulsilver and heartgold you go to mt mortor ,mt silver.
HM Waterfall
find the waterfall and surf into it ( you dont need HM Waterfall)
First talk to Archie and Maxie after you get rayquaza to make groudon and kyogre to stop fighting, then talk to steven then Wallace and Wallace will give you waterfall. Hope that helped.:) After getting rayquaza ( Sky Pillar east of Pacifidlog Town ) to stop Groudon and Kyogre, talk to Wallace in front of the sootopolis gym
You have to get the HM Waterfall, which can be obtained in Sunyshore city after beating the last gym.
Teach a pokemon the HM move Waterfall and you will be able to scale it. You can get waterfall by going north from SunyShore City (Eighth Gym) and speak to Jasmine. She gives you Waterfall.
If you're talking about getting to the third boulder to push it into the pit, you don't need the hm waterfall. I thought so too, but then just try swimming up the upside down waterfall. It worked for me.
you get HM waterfall on route 18
there is no hm waterfall that i know of
there is a hm called waterfall
You get the HM waterfall in the same cave you get Kyogre
you do need hm waterfall for mt. conet.There's a waterfall in mt.conet
HM, Waterfall is in the Ice Cave on Four Island.
Jasmine will give HM Waterfall to you at the beach after defeating Volkner.
you recieve the hm waterfall after you have deafeated the elite 4
You get the HM Waterfall after you stop Groudon and Kyogre to stop fighting by getting Rayquaza, then talk to Steven near the gym,but you can't use it outside of battle unless you beat the gym leader Juan.
HM Waterfall
Yes for HM Waterfall, Goldeen and Seaking can learn waterfall without using the HM by leveling up.