27 wiltshire avebury

SEE FEATURE ON PAGE 58 View over Abbotsbury ...

For 5000 years a boulder stood unremarked in a Dorset valley, until one summer day an archaeologist noticed something curious about it...

■Distance: 5¾ miles/9.2km ■Time: 3 hours ■ ...

With their potent blend of wild looks and mystery, Britain’s ancient sites have an enduring magnetism–and there are far more of them than you might imagine, says Tom Howells

■ Distance: 7 miles/11.2km ■ Time: ...

■ Distance: 7¼ miles/11.5km ■ Time: 4 hours ■ Grade: Moderate