Gyrados is in the Beach Zone, but before you can get there, you must defeat Venasaur's Task, and enter the meeting place. Then you have to finish tasks to get to Gyrados.
It's also possible to catch it. Beat it the same way as a normal Garados..
garados
your a fag
No yanmega is not in pokepark but flygon is
Rikou isn't in pokepark
use a super rod
it's not in pokepark 1.
dratinidragonor garados
well there are no common shiny Pokemon in heart gold but i have seen a shiny garados's and a shiny medapod. so maybe garados.
bayleaf is not on pokepark wii only chikorita is
P-117 in PokePark Wii is Ponyta
Yes it does, right when it evolves.