XCELLENT though the walking is anywhere on the South Downs, there’s no finer stretch than that along the Sussex cliffs, from Beachy Head to Seaford Head via the incomparable Seven Sisters. However, over the past decade these iconic chalk cliffs have suffered from excessive visitor numbers, especially in summer. But visit in the winter, ideally on a weekday, and you should enjoy a much quieter experience. Indeed, a coastal walk can be a great tonic in winter, the reflection of sun on water intensifying the light, and if,
