A picnic site near Stowmarket has been closed following reports it was being used for sexual activity.
Haughley picnic site, just off the A14, has been closed by Suffolk County Council after rangers witnessed people engaged in sexual activities.
The area is advertised on websites as a place to go for exhibitionist sexual activities.
Now, the county council has closed the site in an attempt to clean up the area.
Eddie Alcock, county council portfolio holder for country parks, said: "The reason we have closed the picnic site is because of the unsavoury activities that have been taking place there.
"I suspect the site is being advertised on the internet and it is difficult to stop.
"A complete consultation took place with parish councils and the police, which all agreed the measures taken to try and stop this behaviour had not been successful. Lewd acts have been witnessed by members of the public, which is just not acceptable."
Bill Green, vice-chairman of Haughley Parish Council, said: "We have complained about the site for long enough and several residents have seen the rather unpleasant goings on there.
"It is an absolute disgrace and we would like it to stay closed for ever."
A statement from Suffolk Police said: "We are aware of a number of incidents at the site in Haughley which have been reported to us by members of the public and the park rangers.
"It was a decision made by park rangers to close the site pending a meeting to discuss the future management of this area."
A spokeswoman for Suffolk County Council said that while the site was closed, a number of trees would be cut back and the area made more open.
She added: "We decided to close the site because of the recent number of incidents that have gone on there. Rangers have caught these activities taking place several times and we are now working to try to curb this.
"We do not feel this behaviour is in any way acceptable on a site we are trying to promote as a family recreation area."
The council is expected to review the temporary closure of the picnic site at the end of the month.
15 September 2006