Westminster Ponds/Pond Mills ESA

Location: London, Ontario
Region: Southwestern
Character: Environmentally Significant Area
Length/Size: 200 hectares

Westminster Ponds/Pond Mills ESA
By Upper Thames River Conservation Authority

At approximately 200 hectares, Westminster Ponds / Pond Mills Environmentally Significant Area (ESA) is the largest publicly-owned ESA in London. The ESA is significant for its size and for its great variety of natural habitats within the boundaries of a major urban centre. The site is also designated as a Provincially Significant Wetland.

The ESA is located south of Commissioners Road and east of Wellington Road, adjacent to the Tourist Information Centre, and extends eastward to Pond Mills Road.

The ESA has three main access points with kiosks and 11 km of managed trails. Most of the trails are gently rolling, with the occasional short, steep hill. Almost all the trails are on clay or muck soils, which are very prone to becoming muddy. Boardwalks cross some lowland areas.

Please stay on the marked trails and keep pets on leash, to protect the sensitive environment.

Westminster Ponds / Pond Mills ESA is located on the Ingersoll Moraine, an east-west ridge of stony soil (till). This material was deposited by meltwater pouring from a glacier when its leading edge stalled at this location for a time. Large blocks of ice also broke off the glacier and became embedded in the moraine. When the ice sheet receded 13,000 years ago, the ice chunks melted to create water-filled depressions. These kettle ponds are prominent features of the ESA today.