• Tickets at the Gate House, the museum ticket office at Zamkowa 2, since every visit is a guided tour at a set start time
• Family ticket for five: 67 zł covers two adults and one to three kids, less than four separate tickets
• English tours need booking: call +48 58 535 35 29 ahead, and the tour costs the ticket price plus 100 zł

Gniew Castle is a Gothic fortress built by the Teutonic Order after 1290 on a hill above the Vistula valley. It burned in 1921 and was rebuilt between 1968 and 1974.

The guided tour covers the castle chapel, the defensive cloisters, the armory, a World War II hall and a museum exhibition on the town's history. It suits kids who like knights and old weapons.