Route: Langdon Hills Ridge (United Kingdom)

Starts: Gate at the entrance to Vange Hill Local Nature Reserve. End: Gate from car park at Essex Wildlife Trust Langdon reserve. Visits four trig points on the Langdon Hills ridge (Vange Hill Observation post, Hawkesbury Bush, One Tree Hill and the Beacon at Westley Heights, the latter instead of the TP at the Water Tower, which can't be reached).