I walked to Merrivale on Dartmoor early in April. Merrivale is an area of Dartmoor that has a stone circle, a standing stone (menhir), a kistvaen or cistvaen and also two very impressive double stone rows that are almost parallel. Please take a look at my photo's on my web site by clicking on the link below:
http://www.pagan-supplies.com/merrivale%20stone%20rows%20and%20circles%20dartmoor.htm.php
http://www.pagan-supplies.com/merrivale%20stone%20rows%20and%20circles%20dartmoor.htm.php