The warning comes amid chaotic scenes in parks across the country – including in Nottingham – following the easing of lockdown restrictions on Monday.
Coun David Lloyd Newark & Sherwood District Council leader, said: "Newark and Sherwood is truly blessed with some wonderful open spaces that we can all use.
"But, it is important that we stick to the Government guidance, Hands, Face, Space and Air, and if you are meeting up outside, maintain social distancing.
"The roadmap is being driven by data not dates, so we need the on-going help of everyone in our area to keep moving forward.”
Despite the warning, residents are urged to minimise travel and stay local to enjoy amenities the area’s attractions have to offer
They can find out more about places to visit from the council’s website.