Waterfront Trail The Waterfront Trail has been an instrumental part of Lake Ontario’s regeneration. Along it you will find a 900 km celebration of nature and culture - where peaceful countryside, small towns and big cities are linked in bringing Lake Ontario to this province's residents and visitors, alike. Enjoy it for a day. Or make it a summer-long adventure. The Waterfront Trail will let you discover the Lake Ontario waterfront...and what it can mean to you.