I spotted this site on my O/S just off the A381, to the south of the hamlet of Halwell
If taking the minor road to the north it is signposted 'Little Oaks'.
If taking the track to the south it is signposted 'Stanborough Hundred'.
DO NOT attempt to drive down the track to the east of the site unless you happen to be in a tractor!
After risking the exhaust / suspension of my car I was rewarded with a field with nothing in it! I could see no trace of the Hillfort and would therefore recommend not wasting your time in visiting. I would rather recommend you check out Halwell Camp a mile or two to the north – easy to access and much more to see.