That depends. Which path are you talking about?
nerd
on the right there is a 2nd path
there is no ice path in Pokemon platinum. it's in johto (heart gold/soul silver/gold/silver/crystal)
ice path
In the Ice Path
in the ice path
You go into the keep and select the quest go after the prinsess Improvement: You don't have to do any of his quests to get past.
you find it in the Ice Path
you tell me?
No because the map is only of cities and routes in silver.
In the Ice Path.
go backwards or get an ecape rope