After defeating Volkner go to the beach in sunnyshore and your rival will harass you about getting stronger and then this girl( Jasmine) will give you the HM waterfall because your friendly rivalry made her happy somehow.
after you beat the 8th gym go to the north beach in sunyshore there jasmine (6th gym leader from gold/silver/crystal) walk up to her and your rival will come after he is done talking to you jasmine will talk to you and give you TM 08 waterfall
when you go into the cave of origin to battle kyogre you will walk past a pokeball on the floor with waterfall inside.(sootopolis city)
in the city where the 8th gym is. you battle red inside the pokemart then when you win he wil give you the hm water fall. :)
get the Hm Waterfall
You have to first get waterfall from the girl on the beach and then use surf until you find a waterfall
There's no Pokenav since Pokemon Light Platinum's build is from Pokemon Ruby.
You beat Sunnyshore gym and get waterfall, then go to Mt. Corronet and use waterfall to climb the waterfall. There is a cave enterance at the top of that, and the Orbs are contained inside.
Go to the beach, under the gym, where you'll find a little girl who gives you waterfall after you cleared the gym.
Go to sunyshore city walk north as far as you can go when you reach the sea there will be a girl there she will talk to you and give you the HM08 waterfall.
In Shunishoart City.
behind the waterfall in Mt.Coronet
its in the icefall cave in island4
Jasmine will give HM Waterfall to you at the beach after defeating Volkner.
one of your party Pokemon has to know waterfall press A on the waterfall it will say it's a waterfall do you want to use waterfall say yes and you will go up the waterfall
u have to get waterfall from a girl on sunnyshore beach.
find the waterfall and surf into it ( you dont need HM Waterfall)
You have to first get waterfall from the girl on the beach and then use surf until you find a waterfall
in sunyshore city the girl on the beach gives it to you
To get HM7 (Waterfall) in Platinum you can get it at Sunyshore City talking to Jasmine at the north of the city.
There's no Pokenav since Pokemon Light Platinum's build is from Pokemon Ruby.
after beating the 8th gym leader go to the beach and the lady will give you the HM 7 waterfall