Pewsey Downs National Nature Reserve, Vale of Pewsey
From the trig point at Milk Hill — at 295 metres the highest point in Wiltshire — the entire Vale of Pewsey unrolls below you in a patchwork of water meadows, thatched villages and distant ridgelines that stretches to the Marlborough Downs in the north and the Vale of Wardour in the south. On a clear day you can see for 30 miles in every direction.
The Walk Up and What You See
The most satisfying approach follows the Wansdyke — an early medieval earthwork dyke — west from the car park at Tan Hill along the ridge crest. The path is wide, grassy and largely flat once you gain the scarp, and the views open up immediately. In summer the chalk turf is thick with pyramidal orchids, chalkhill blue butterflies and the quivering song of skylarks.
To the east along the ridge sits the Alton Barnes White Horse, one of eight chalk horses cut into Wiltshire hillsides, this one dating from 1812. It is best appreciated from the vale below (the B3087 near Alton Barnes gives a classic view) but walking past it on the ridge feels pleasingly intimate.
Crop Circles and the Vale Below
The Vale of Pewsey is the world's most reliably productive crop-circle location — dozens appear in the cereal fields below each summer between June and August, and from the ridge you can often spot fresh formations without even needing binoculars. The phenomenon draws researchers and curious visitors from across the globe.
Villages in the vale worth descending to include Alton Barnes, with its tiny Saxon church, and Pewsey itself, which has a good pub (the Pewsey Wharf area along the Kennet and Avon Canal is especially pretty) and a Thursday street market.
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