I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission requirements unknown.
The late 19th-century Tosson Lime Kiln is the best-preserved lime kiln in the Northumberland National Park.
There is a free car park & picnic area at the site - choose your own TOAL point.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 13/05/2023. It remains the responsibility of any pilot to check for any changes before flying at the same location.