The Great Stones Way: Avebury, Stonehenge and Salisbury 2 Revised edition

In 36 miles the Great Stones Way runs through the Wiltshire Downs from Barbury Castle near Swindon to Old Sarum on the outskirts of Salisbury. Optional detours pass England's important prehistoric sites including Avebury and Stonehenge. It's perfect for a long weekend or a leisurely week, with good transport links at each end.