Black Fen Waterway Trail
105 km / 65 miles – Cambs, NorfolkA route following the courses of various waterways including the River Great Ouse and the Nene-Ouse Navigation Link passing through Downham Market, Littleport, Ely and Chatteris. Details of a loop to Flood’s Ferry (10 miles) are included. See Brown Fen Waterway Trail.
- More information including maps—link reported broken 10 December 2011
- Walking along the River Great Ouse from Waterscape