The terrain of Crécy offers, therefore, an excellent opportunity for the reconstruction of the medieval scene, and I will attempt to bring it before the eyes of my readers. Ponthieu is a district of low, open, and slightly undulating fertile lands, whose highest ridges touch such contours as 300 feet above the sea, and the depressions in which, very broad and easy, do not commonly fall more than a 100 feet or so below the higher rolls of land. In the particular case of the field of Crécy we shall have to deal with figures even less marked. The crests from which the opposing armies viewed each other before the action average full 200 feet above the sea; the broad, shallow depression between its confronting ridges descends to little more than sixty feet below them. All this wide expanse of fertile land, affording from one lift of its undulations and another great even views for miles and miles, is cut by streams which run parallel to each other in trenches five to seven miles apart, and make their way by curiously straight courses north-westward to the neighbouring sea. These are the Conche, the Authie (the crossing of whose marshes by the great Roman road formed those _pontes_ which, as we have seen, give the district its name of Ponthieu), and the Maye. This last little river alone concerns us. We deal in the matter of the Battle of Crécy only with the first rising waters of the Maye. Its source springs just below the village which derives from that river-head its name of Fontaine, and the Church of Crécy stands not two miles down the young stream. These two miles of its course, and a slight depression tributary to this its upper basin, mould the battlefield. For this shallow depression, called the "Val aux Clercs," among the least of the many long waves and troughs of land upon which Ponthieu is modelled, was the centre of the engagement, and, though too short and shallow to develop the smaller stream, such water as it collects is tributary to the Maye. This depression runs up from the level exactly north-eastward, gradually rising until it fades, not quite two miles above the river, into the upper levels of the plateau.