Réserve naturelle nationale de Castle Eden Dene

Castle Eden Dene is a Site of Special Scientific Interest and National Nature Reserve in the Easington district of County Durham, England. It is located mostly in Peterlee, between the A19 and A1086 roads.The dene is the largest, and biologically the richest, of a series of deep ravines that have been incised through the Magnesian Limestone and overlying boulder clay of coastal Durham by streams flowing into the North Sea.

Dene Academy is a coeducational secondary school located in Peterlee, County Durham, England.Established in 1962, it is a community school administered by Durham County Council. In November 2012 the school relocated to a new building on the same site.In September 2019 the school converted to an academy.