Sunniside is a small rural village to the east of Tow Law and north of Crook in County Durham, England. Sunniside is located in the Wear Valley District. Sunniside has two pubs, and a former post office. There is a collection of newly built homes in the west of the village, called The Paddock. There are five streets, Gladstone Terrace, Flag Terrace, Front Street (the main street) Garden Terrace, and a little offshoot along a back road to Roddymoor, called Grahams Cottages and a small village shop

Contrary to other wikipedia articles, Sunniside is officially the highest village in County Durham, commemorated by a plaque, laid by the Northern Coalboard. Sunniside is approx 1000 feet (304 metres) above sea level.