Police recently mounted a special operation targeting off-road bikes and vehicles in the countryside close to Llangollen.
And they say that one vehicle was seized as a result of the action.
In a message sent to local residents through the North Wales force's Community Alert system, Sergeant Richard Evans of the Conwy and Denbigh Neighbourhood Policing Team, says: "Together with Natural Resources Wales and officers from the Clwydian and Dee Valley Area of Outstanding Natural Beauty we recently conducted an operation targeting the illegal use of off-road bikes and vehicles in the area.
"A number of persons were engaged with during the operation which saw one vehicle seized.
"We want people to enjoy our beautiful countryside lawfully and responsibly and will continue to take action against those responsible."