QUOTE : but made due west, over softly rolling hills and through well-treed valleys, by green trails sometimes clearly marked, sometimes less defined, but markedly keeping a direct line uphill and down alike, here where the lie of the land was open and the gradients gentle enough for pleasant riding. “An old, old road,” said Cadfael. “It starts from Chester, and makes straight for the head of Conwy’s tidal water, where once, they say, there was a fort the like of Chester. At low tide, if you know the sands, you can ford the river there, but with the tide boats can ply some way beyond.” “And after the river crossing?” asked Mark, attentive and glowing. “Then we climb. To look westward from there, you’d think no track could possibly pass, but pass it does, up and over the mountains, and down at last to the sea.