Frith Hall in Dunnerdale, the isolated hunting lodge where heroine Rosamund is kept as a prisoner:
She escapes over the fells to Coniston Hall
The quicksands of the River Leven in Morecambe Bay are a pervasive and sinister presence in the book, and they continue to be a present day danger. Who can forget the fate of those poor Chinese cockle pickers in 2004?
Towards the end of this video there is a chilling evocation of Kathleen's words as we watch a man being swallowed by the "toothless mouth" of the quicksands: