You have to free all three of them from the Vally Windworks, and then use Surf to the middle of the lake, and it should be there :)
beat Cyrus
Lake Valor side
It's on the island in the middle of Lake Valor.
i dont no
Route 214 and Lake Valor
the massbreakout is at lake valor from what i have heard lol
dont you mean lake valor and lake valor is either near your home its near snowpoint city or its near that safari zone city
Cyrus is the guy that the people protecting lake valor mention
It's not a city, it's Lake Valor.
i dont know its easy go to lake valor
The Grand Lake Hotel on Pokemon diamond is a resort near Pastoria City close to Sunyshore. It is a part of the Valor Lakefront on Route 213.
Wobbuffet is at Lake Valor, Lake Acuity and Lake Verity. They only appear when you use your pokeradar.