Bayside Campground is one of three car-camping areas within Charleston Lake Provincial Park, situated adjacent to Charleston Lake in a mature, wooded setting near Athens, Ontario.

The campground offers 82 sites, numbered in the 201–283 range, with gravel pads accommodating tents and RVs. Sites tend to be spacious, though privacy varies by location.

The campground sits within the Frontenac Axis region of the Canadian Shield, where northern and southern species of flora and fauna intermingle. Cell service is limited or absent in much of the area.

The park as a whole provides access to hiking trails, swimming, and paddling opportunities on the lake.