Yeavering Bell

Yeavering Bell is a twin-peaked hill near the River Glen in north Northumberland, England, to the west of Wooler, and forming part of the Cheviot Hills. The summit, 1,158 feet above sea level, is encircled by the wall of a late-prehistoric hillfort, a tribal centre of the Votadini called in Brythonic and Old Welsh Din Gefron, from which the name stems.

The hillfort encloses an area of approximately 12 acres and is enclosed by a stone wall, upwards of 10 ft thick, having four entrances, one of which is defended by a guard-house; and within this area is an inner fort, excavated out of the rock, of an oval form, measuring 13 ft across at the widest part. On the sides of the hill, and in a high valley between the Bell and the next hill, called Whitelaw, there are many remains of stone huts rudely flagged, some in groups surrounded by rampiers, and others isolated. Barrows, too, are numerous here.

Source: Wikipedia