I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission requirements unknown.
This is a sand and gravel quarry, with lots of machinery for those who like that sort of thing.
I parked on the Drumoak side of Park Bridge and walked across. My take off point was next to Keith's Tower, where there is a good view across to the quarry.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 12/08/2022. It remains the responsibility of any pilot to check for any changes before flying at the same location.