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Things to see in Ontario include:
Old Fort William in Thunder Bay, a historical fort with the best historical reenactments available in Ontario Lake Huron Lighthouses along Southwestern Ontario's Lake Huron coastline The National Capital Region in Ottawa CN Tower - Take in the view from the CN Tower in Toronto Sainte-Marie among the Hurons - French Jesuits settled here for 10 years until they fled in 1649 after attacks from the Iroquois. Explore the Historic Nipissing Road - now part of the Trans Canada Trail. You can drive the road as well as hike it. See Magnetawan. Things to do in Ontario include:
Hike the Sleeping Giant, a series of mesas that resemble a human figure, near Thunder Bay Visit and hike through Temagami's Old Growth Forest, climb the Fire Tower and canoe Lake Temagami. Dive around or take a boat tour of shipwrecks at Fathom Five National Marine Park at Tobermory Camp at Bruce Peninsula National Park. Visit Manitoulin Island, the largest freshwater lake island in the world. Visit one of Ontario's freshwater sandy beaches: Wasaga Beach, Sauble Beach or Grand Bend in Southwestern Ontario; Pancake Bay Provincial Park in Northern Ontario. Also visit these Ontario Parks for great beaches: Sandbanks, Lake Superior, Awenda, Charleston Lake, and the Pinery. Hike the Bruce Trail (or portions of it) from Niagara Falls to Tobermory. Camp at the Samantha Pockele Memorial Weekend in Chatham, Ontario on May 24/Victoria Weekend: A beer and music festival to celebrate the wonderful life of Chatham-Kent's human rights pioneer Samantha Pockele Visit Point Pelee National Park and Pelee Island, the Southernmost point in Canada. Camp and canoe at one of the province's extensive Provincial Parks: Algonquin Park, Quetico. Ride the South Simcoe steam train in Tottenham. Follow the wine Road from Exit 78 on QEW to Niagara on the Lake and visit some wineries. Try Walleye and Bass fishing in Ahmic Lake in Magnetawan. Mississauga offers a wide amount of biking/hiking trails with beautiful views of trees, birds, and the Credit River, despite being located in the Greater Toronto Area. Hardly crowded at all as well - and easy terrain. craft brewers tour -  Visit craft brewers of Ontario