I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission requirements unknown.
Take the Allendale road out Hexham, after 6mls take the Alston turn off, proceed about a mile and the dam is on the right, there is a decent bit of land to park at the crossroads just before the Dam
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 18/01/2023. It remains the responsibility of any pilot to check for any changes before flying at the same location.