The Dog Rocks on Plumstead Common are named from their shape in silhouette and formed of cemented Blackheath Pebbles. This part of the common is the floor of a quarry dug before 1866, probably for sand or pebbles. Springs rising from loose pebbles can be seen a little further east along the Green Chain Walk in the Slade Gorge, formed when more water was available for erosion at times of colder climate and sparse vegetation following recent ice ages.
Nearest train station: Plumstead
Distance: 2.2 km (1.4 miles)
Listen to points of interest on this time trail: