Because you cant get to it yet. You need to do something in order to be able to reach it.
you can find it in the survival area
around survival area
mt.cornet and in the survival zone on a ledge
You have to pay a monthy fee
just left of the survival area
Buck lives in the Survival Area in Pokemon Platinum. Buck is part of a quest involving Stark Mountain and Heatran.
You can find it in the Survival Area. Hope this helped!! =)
the route past the survival area at night
the survival area battle cafe BUCK
from the fisherman near the survival zone.
The rival the third time you battle him in survival area
in the survival area [after u beat heatran]