FOREST, a township, joint with Frith, comprising Ettersgill, Middle-Forest, and Harwood parts, in the parish of MIDDLETON in TEESDALE, south-western division of DARLINGTON ward, county palatine of DURHAM, 4 miles (N.W.) from Middleton, containing 723 inhabitants. This township contains several lead mines, and abounds with romantic scenery: it is bounded on the south by the Tees, where that river, rolling over a rocky bed, forms several cascades, two of which, Caldron Snout and High Force, rank amongst the most remarkable waterfalls in the kingdom.