There are many towns and tourist attractions close to Barrie-Orillia:
This web site's "Nearby" region encompasses three key areas:
the southern shore of Georgian Bay & the Bruce Penninsula, which has the Niagara Escarpment as its dominant feature
the relatively flat area between Lake Simcoe and Georgian Bay, including the northern portion of the Trent-Severn waterway (for eastern portion see our Oshawa-Durham site)
the Muskokas cottage country to the north and the eastern shore of Georgian Bay around Pary Sound, up to the French River