[Da_Shrimp]

at one point I looked out the train window to see the ruins of a 12th century Norman castle."

Was it Peveril Castle in Castleton?

The train from Manchester to Hull runs through Edale, a place I adore and about 40 mins from where I live ;-)

[MD Expat in PA]

Was it Peveril Castle in Castleton?

Yes it was : )