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
Rikou isn't in pokepark
No yanmega is not in pokepark but flygon is
use a super rod
it's not in pokepark 1.
dratinidragonor garados
P-117 in PokePark Wii is Ponyta
bayleaf is not on pokepark wii only chikorita is
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.
Yes it does, right when it evolves.