In December 1915, a large landslip resulted in the entire undercliff supporting the Main Line moved towards the sea causing approximately 1.5 million cubic metres of chalk to slip or fall burying Warren Halt and the railway line. No-one was hurt in the occurrence. This was one of the largest landslides in Kent. The station and the line were closed until 1919.GeologyShop, "Folkestone & Hythe Landslips; the Warren, Copt Point, Castle Hill and the relict seacliffs between Hythe and Lympne".
