get a Pokemon that can walk on water, go 2 solar cave, get a key, find a door, use the key 2 unlock it, surf will be in an island in the middle.
Get it.
thanks! that actually really helped!
After you beat your dad (the gym leader of Petalburg), go to Wally's house which is left from the gym. Talk to Wally's dad and he gives you the HM for Surf. =D
just beat your father (gym leader number 5) and wallys father will give it to you
in pokemon platinum diamond pearl victoria road in pokemon emerald ruby saphire at ever grande city need HM surf and waterfall
you go to the house left of the gym (aka Wally's house) and talk to the guy in the red shirt (Wally's dad)
almost every water Pokemon
Surf is HM #3. :-)
Get the HM Surf then teach it to a pokemon.
You get HM Surf and surf there
You need a water Pokemon and the surf HM
Surf is a HM so you can teach it to multiple pokemon.
teach it the HM surf
with TM and hm's