The Torre dos Clérigos was classified as a national monument back in 1910. Its six storeys are 75 metres high and you get to the top up a spiral staircase with 240 steps. At the time it was built, it was the tallest building in Portugal.
Come by train with your group to visit the tower, church and museum.
Have a look at the Porto visit suggestion.
CP Services: Porto urban trains
These discounts only apply to scheduled services.
The Museum, Church and Torre dos Clérigos are about 5 minutes on foot from Oporto São Bento station.