Police in the Forest of Dean are investigating reports of off-road bikes being ridden anti-socially.
Nine incidents were reported to police between Friday 3 January and Sunday 5 January.
The off-road bikers have caused damage to woodland in Lydney, Coleford, Cinderford and Broadwell. T
They have also been spotted pulling wheelies and running red lights.
Police will be proactively patrolling the areas over the coming weeks.
Caldicot Castle path part of 20 minute neighbourhood plan
