The natural beauty of the Lambton area with its hills and dales, and old oak trees is shaped by the picturesque Humber River Valley which forms the south and west boundary of this neighbourhood. Lambton is divided into three distinct pockets. The oldest part of Lambton is centred around Old Dundas Street and is still referred to by its historic name – Lambton Mills. The area north of Dundas Street is known as Lambton Park, while the Lambton community south of Dundas Street in the valley is known as Warren Park, or simply “the Valley”.