Travelers are voting Rideau Canal and Ottawa Valley as the best outdoors near Ottawa. There are 1 outdoor near Brockville a city just 57 km from Ottawa and 1 outdoor near Pembroke which is 73 km distant. The most popular of these are Thousand Islands near Brockville and Round Lake in Pembroke. You can find 99 outdoors in Ontario and 1087 outdoors in the country of Canada. Our members favorite in Ontario is Rideau Canal and Great Bear Lake is the top pick in Canada. Want more? Check out our map of outdoors near Ottawa.