Evidence in support of this explanation of the secret and character of the Weald is not far to seek. The Weald lay between the Channel and its ports, that is to say, the entries into England from the continent, and the Thames valley; it was then an obstacle that had to be overcome. Had it been merely a great woodland forest, it would not have troubled the Romans who would merely have driven a great road through it. But the Romans had more to face than an impenetrable woodland or the roughness of the country; they had to overcome the lack of water, and therefore in the Weald their day's march of some twelve miles was pressed to double its normal length. The French armies, according to Mr Belloc, do exactly the same thing in the Plain of Chalons to-day. And indeed a man may see for himself, even yet, what exactly the Weald was if in summer he will cross it by any of the winding byways that often become good roads for a mile or so and then lapse again into lanes or footpaths. Let him follow one of these afoot and drink only by the wayside. And then in winter let him follow the same tracks if he can. He will find plenty of water, but his feet will be heavy with clay. For an army or even a regiment to go as he goes would be almost impossible, and this not because of the woodland or undergrowth, but because of the lack of water, the lack of towns or large villages and the clay underfoot. Such then was the nature of the barrier which lay between the ports of the Channel and the valley of the Thames. The Weald was indeed inhuman, and this helps to explain why it was not only a barrier but a refuge. We read in the rude chronicle of the Saxons of two men who sought refuge in the Weald, in the seventh and eighth centuries. The first of the three was Caedwalla, (659?-689) a young man of great energy, according to Bede, and probably a dangerous aspirant to the West-Saxon throne. At any rate he was exiled from Wessex and he took refuge with his followers in the forest of Anderida, that is to say in the Weald. There about 681 he met St Wilfrid who had fled, too, from the West Saxon kingdom. Wilfrid was busy converting the South Saxons, and Caedwalla, going from steading to steading with his followers, saved from any considerable pursuit by the nature of the country, became great friends with him. This, however, did not prevent him in 685 from ravaging Sussex, slaying the South Saxon king and at last succeeding his old enemy Centwine upon the West Saxon throne. Caedwalla, after conquering the Isle of Wight and putting to death the two sons of King Arvaldus, having allowed them first to be baptised, was himself converted, and to such purpose that he laid down his crown, went on pilgrimage to Rome, and was baptised under the name of Peter, by the Pope, on the vigil of Easter 689. He died, however, before Domenica in albis, and was buried in Old St Peter's, nor was he the only English king that lay there.