In the deep south west.
This page describes the South West Coast Path and stages undertaken to date. The path is well described elsewhere (see references below).
This path terminates in the north at Minehead and in the south at the Sandbanks ferry. A logical continuation of the path eastwards from here is the South Coast Path - east of Sandbanks.
2013: Sidmouth, Devon. - the Devon-Dorset Jurassic Coast has some spectacular scenery.