Firefighters were called to a report of a fire involving a wheelie bin in a park in Tilston Walk, Wilmslow shortly after 10am on Wednesday, 8th April.
On arrival the crew found an industrial bin well alight in the children's play area.
Firefighters used a hose reel jet to extinguish the fire and were in attendance for about 10 minutes.
A spokesperson for Cheshire Fire said "The fire is believed to have been started deliberately.
"Anyone with information about the fire should call Cheshire Constabulary on 101, give the details via https://www.cheshire.police.uk/tua/tell-us-about or contact Crimestoppers anonymously on 0800 555 111."
On Monday, 6th April, firefighters were called to a small fire which was believed have been started deliberately in a field off Kiln Croft Lane in Handforth.