The remains of castles and peel towers crowd together somewhat when we have passed the pleasant little village of Falstone, which seems from time immemorial to have been occupied mainly by the Robson clan. At Falstone, where there are two rival but not unfriendly churches nestling among the trees, was discovered, a while ago, a Runic cross raised to the memory of some old Saxon Hroethbert, from whom, the name being the ancient form of Robert, it is probable enough that the doughty Robsons sprang. There was a peel in the village itself, but this has been long since incorporated with the laird's house. Another stood a short distance away, on the opposite side of the Tyne, below Greystead--where we reach the first important bridge over the North Tyne; and within a short distance of a point where three valleys unite their streams there stood two castles related to each other by a deadly feud, and two peels made famous by a wild friendship. Dally Castle--there are now but a few low, earth-covered walls remaining--occupies the summit of a hill distant about a mile and a half from the south bank of the Tyne. Tarset Castle--recognisable only as a green mound--stood on the north bank, close to where the river is joined by the Tarset Burn. The popular legends have connected these old Border strongholds by a subterranean passage, which is believed to have been haunted through many generations. Here a vivid superstition has heard carriages rolling underground, and has seen long processions emerge from an opening which no country wit had the skill to find. In Tarset Castle lived that Red Comyn who was slain by Robert Bruce, and of whom one of the Bruce's friends "made siccar" by thrusting a dagger to his heart when he had been left for dead. Sir Ralph Fenwick occupied Tarset Castle in 1526, but was driven out by the Charltons, though this must then have been one of the strongest places on the Borders. At some other and undetermined period--so the popular legends say--Tarset and Dally Castles were occupied by families which were at feud with each other, but it so fell out that the Lord of Tarset was smitten by the charms of his enemy's sister, whom he met by stealth in some retired spot on the moorlands. There, one day, he was set upon by the Lord of Dally and killed, and a cross was thereafter set up to his memory--perhaps by the lady for whom he had died--the site of which is pointed out to this day.