The Westminster Ponds/Pond Mills complex is one of the largest Natural Areas in London, comprising some 300 hectares over an area 3 kilometres long and 1.5 kilometres wide. There are six major ponds and a number of smaller ones scattered throughout the area.

The Westminster Ponds area is significant because it possesses a rich variety of natural habitats in a relatively undisturbed state, even though it is situated within the boundaries of a major urban centre. In fact, this marsh, swamp and bog complex is a Class 1 provincially significant wetland.

The wooded slopes surrounding Spettigues Pond provide excellent views of this...