I came to see Olsztyn Castle from Czestochowa !
It's about 11 km east of Czestochowa...
You can also get to Olsztyn from Czestochowa & vice versa by city bus no: 58 or 67.My Czestochowa Page
Olsztyn locates in very rich region where many tourist attractions are worth visiting. Ryn is one of the towns offering interesting sights. There is a castle, old town and lake in Ryn.