Farm Bog | London Wildlife TrustOne of the largest of London’s six remaining lowland bogs can be found tucked away on Wimbledon Common.One of the largest of London’s six remaining lowland bogs can be found tucked away on Wimbledon Common. About the reserve This valley mire, located just north of Iron Age fort remains, developed on a gravelly slope where seepage of acidic, nutrient-poor https://www.wildlondon.org.uk/nature-reserves/farm-bog