The beach at Gull Lake Rotary Park is closed after an unknown substance was spilled there.
Gravenhurst officials say town crews are working with local authorities to figure out what the substance is that was spilled at the beach. Officials say the beach has been closed for public safety and all swimming lessons have been moved. The town will be keeping the community updated on this spill cleanup effort on its website and Facebook page. If you’d like to find out where your swimming lessons have been moved to you can call Nicole at 705-687-6774 ext. 22.