The mayor of Richmond says the police will be asked to increase patrols of the Batts after problems with litter, fires and drinking.
The warm weather prompted groups of people to head to the area besides the River Swale on Saturday.
However, visitors to the Batts on Sunday morning found the areas littered with drinks bottles and cans, plastic bags and food packaging.
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Fires had also been lit, scorching the grass and causing further mess.
Richmond mayor Stuart Parsons said the police would be asked to step up patrols on the Batts when it was warm this summer in a bid to tackle the problem.
He added: “It seems that when the weather is warmer there is a minority that likes to don their shorts and head with alcohol to the Batts.
“What was surprising was the number of young people seemingly underage who were parading down with alcohol.
“Police apparently have the power to pour alcohol away if its being drunk by those underage.”
Such a shame when people leave damage like this from inappropriate fires and use of disposable BBQ’s without a stand. Enjoy the good weather responsibly and don’t leave your mess for others to clear up pic.twitter.com/hboY6GmAMB
— NYFRS Richmondshire (@NYFRS_Rich) April 22, 2018
Cllr Parsons said he would be asking the district council to check that shops in the town selling alcohol were abiding by the rules.
He said it was still an offence for people aged over 18 to buy alcohol for those underage.
Cllr Parsons said the district council’s street cleaning team were aware of the problem of littering on the Batts and did a great job cleaning up the mess.