 The Pickwell Down Sandstones are red and brown sandstones with shales which extend from the hills of Pickwell Down and Woolacombe Down overlooking Morte Bay east-southeastwards to Muddiford and Bratton Fleming.The outcrop pattern is shaped by a major east-west aligned syncline/anticline pair between Brayford, where there is a stone quarry, and Dulverton.East of Dulverton the formation forms the prominent Haddon Hill and extends via Heydon Hill as far east as the village of Wiveliscombe.