I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission requirements unknown.
Suggested parking at nearby Fromebridge Mill restaurant. The area is a haven for wildlife both along the river and along the currently disused canal that runs parallel to the river. This canal is in the process of restoration to a navigable state and will eventually connect to the Stroud canal network.
Few hazards in the area except walkers, livestock and a few powerlines.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 04/09/2021. It remains the responsibility of any pilot to check for any changes before flying at the same location.