I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission not required.
There's a car park on Castlehill Road. Unless you have a 4x4, I'd park there and walk down to the Priory… I tried to drive down in a Yaris and got stuck in one of the potholes!
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 13/02/2020. It remains the responsibility of any pilot to check for any changes before flying at the same location.