It is well worth the hike up from Les Andelys to the Château-Gaillard, the fortress built 800 or so years ago to protect the city of Rouen in Upper Normandie. This is the view the troops had of the river over which they watched.

Canon EOS 5D Mark II, EF 24-105 f/4 @ 105 mm, 1/250th @ f/8.