The Sarsen Trail, organised by the Wiltshire Wildlife Trust, is an annual event where participants can hike, run or bike between Avebury and Stonehenge in the beautiful, yet rural county of Wiltshire. There are a number of distances that participants can choose to trek, but the most fulfilling is the complete 26.5 mile route. Some images here: www.flickr.com/photos/57961653@N04/sets/72157644511395105/