Reassurances have been made that work is being done to tackle dogging and anti-social behaviour in the Winter Hill car park in Cookham Dean.
It follows a report by Cllr Christine-Ann Jannetta at Cookham Parish Council's meeting last night, in which she raised neighbour concerns about National Trust plans to clear trees at the beauty spot.
She said: "Residents do not want the work go go ahead because the area is being used by some unpleasant people for sexual activities, dealing drugs and general partying."
In the summer the National Trust, which owns the land, announced plans for a five-year project to enhance the viewpoint over the River Thames and create a better car park area for visitors.
Cllr Jannetta added: "Thames Valley Police are aware and will be increasing patrols in the area."
The National Trust said it is proposing a trial period of blocking the entrance to the car park during the times the incidents are believed to be taking place.
Speaking after the meeting, Mark Bradshaw from the National Trust’s Maidenhead and Cookham Commons, said: "At one of our meetings with residents, some concern was expressed about anti-social behaviour at the car park at Winter Hill. In response, we are considering measures to restrict vehicular access to the Winter Hill lay-by at night time.
"As an interim measure to assess the impact of this, we propose to install temporary concrete bollards. These will not restrict pedestrians or cycles. The temporary measures will assess the implications of restricting vehicle access before other measures are agreed."
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