There are several. One of them is the second cave in that route under the biycicle road thingy.
its a secret place
hes not in platinum:( try ruby
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ActionReplay
you go under ground and get the digger drill and use it to make a secret base
no
There are secret bases in Pokémon Ruby Sapphire and Emerald. In Diamond Pearl and Platinum, you have underground bases.
Theres a lot of secret places in diamond like old cave where you can find dark lugia in your first try to battle. It located in canalave city by riding a boat. It only open when you got 10 battle records with platinum. Except to dark lugia....a wild solrock can appeared in shiny. Have a nice battles with platinum
There is no specific "best place" but I think it would be best to have it in the really big area under Floroma town.
by secret event which is over... sob i missed it also
mysteri gift
its a secret place
You can't get the Secret Key in Pokemon Platinum without Action Replay, unfortunately. You can get Action Replay from most major websites.
No, you can't mix records in Pokémon Platinum in order to get the Secret Key from a friend.
The secret places are ; Pony forest, Secret area and Northern caverns.
hes not in platinum:( try ruby
Cynthia will give it to you.