You can travel from Gdańsk to Morąg and Ostróda by train or bus. Between Morąg and Ostróda only by bus as there is no direct train connection.
Check trains here:
and buses here:
It's best to copy and paste "Ostróda" and "Morąg" as there are Polish diacritic signs in those names.Edited: 01 March 2013, 22:58
There are either trains or bus connections from Gdańsk to Morąg.
The direct train goes abt 2 hrs, with change abt 3 hrs.
There are also possibilities of connection by buses.