I live just on the southern edge of Ottawa, but my favorite place to ride is Hwy 2 along the St. Lawrence Seaway. I can usually be found there a number of times a year enjoying the scenery. Unfortunately, it is a busy road.
https://www.google.ca/maps/@44.7023...4!1srYhZwgG0ajtZ579KGpKUVQ!2e0!7i13312!8i6656
https://www.google.ca/maps/@44.7023...4!1srYhZwgG0ajtZ579KGpKUVQ!2e0!7i13312!8i6656