What is the closest camping site to Toronto?

The closest camping site to Toronto is the Glen Rouge Campground, which is part of the Rouge National Urban Park about 27 kilometers (17 miles) east of downtown Toronto. The park offers a variety of camping options, including tent camping, RV camping, and group camping., and it is easily accessible from Highway 401. Set along the banks of the Rouge River, Glen Rouge Campground provides a natural and serene setting close to the city.