Montreal is a very large city and is quite interesting but I am not sure I would want to navigate a 40 ft MH aound there especially with the unique driving style of Montrealers. That said after you visit Montreal to get to the East Coast of Canada after leaving Montreal you will cross to the south side of the St. Lawrence River (several bridges and/or tunnels), and head East through Quebec to New Brunswick.
On the way down East from Montreal you will come to LEVIS, Quebec located on the South Side of the St. Lawrence. If you stop here (several RV Campgounds), you can catch a passenger ferry (less than a 5 minute ride) across the St. Lawrence river to Quebec City one of th oldest and most historical and IMO beautiful cities in Canada. This is the city where one of the most famous battles in Canadian History took place on the Plains of Abraham wher the British General Wolfe defeated the French General Montcalm (both diesd from their wounds), to secure Upper Canada for the english. If your wife enjoys Monreal she will LOVE Quebec City. By seeing it this way you will be able to very easily see all of the old part of the city with it's very narrow cobblestone streets and beautiful old stone buildings with no traffic problems. Then when you leave LEVIS you will be on the Trns-Canada Highway (TCH), in under 5 minutes heading to the east coast of Canada along the beautiful south shore of the St. Lawrence river.
Once you enter New Brunswick the drive down the Saint John River Valley on the TCH through New Brunswick to Nova Scotia is a beautiful scenic drive on an excellent highway. When you get to Nova Scotia do not miss taking the trip around Cape Beton Island on the Cabot Trail A VERY SCENIC BEAUTIFUL HIGHWAY) http.//www.cbisland.com . When you drive across the causeway to Cape Breton go to the left to go around the island clockwise as the hghway (an excellent road), that runs along the edge of the ocean pretty much all the way around the isalnd. On your way be sure to visit the Alexander Graham Bell Museum. The scenery throughout the island is SPECTACULAR and beautiful Cape Beton Highlands National Park http://www.pc.gc.ca/...eton/index.aspx
. As you travel around the island any time you are near the coast try to get down to some of the local waterfront towns/villages and buy some fresh cooked lobster (hot or cold) from the locals fro a picnic lunch.
Prince Edward Island - If I had to choose between Prince Edward Island and Cape Breton I would choose Cape Breton every time. The reason for this is once they built the huge causeway (which was built to satisfy commercial interests and not the majority of the residents of PEI), across to PEI from the mainland it forever changed the character of the island and it lost a lot of it's charm and ambience.
After you leave Cape Breton island I would recommend visiting the Fortress at Louisburg (about 2 hours drive) (http://www.novascoti...louisbourg.aspx
) in Nova Scotia. This was/is a large French fortified city (not a fort) and once you are let in by the soldiers guarding the main gate you enter a city with homes and businesses and people all constructed, decorated and dressed for the 16-17th century life they lived at that time. This city has been excavated and reconstructed over the past 25 years and this still continues today.
Bay of Fundy Before you go to Newfoundland and either before or after the Fortress at Louisburg you should try and see the Bay of Fundy Tide http://www.tourismne...BayofFundy.aspx
and book a stay at Fundy National Park http://www.tourismne...ional-Park.aspx
Newfoundland. From the Bay of Fundy go to North Sydney Nova Scotia to catch the ferry to Newfoundland http://www.newfoundl...rip/gettinghere
Be sure to make your reservations NOW as the ferries get booked well in advance. Newfoundland is a wonderful place and like all of the east coast the people are warm, friendly and among the nicest perople you will ever meet. Most people do not realize how large Newfoundland is. It would rank fourth in size behind Alaska, Texas, and California if it were one of the United States. Although in some of the outports (see as many as you can and be sure to meet the pople t every chance), the road/streets may occasionally be a little challenging for a unit your size but I think all in all you will be O.K. to get around there just DO NOT be tempted to take the ferry from Newfoundland to Labrador.
All of the provinces have websites and excellent tourist offices that will send you vacation packages with maps etc., and I recommend contacting them via their 1-800 numbers or the internet
Hope all of this information helps. Feel free to write me here or offline via email if you have any questions.
Happy Trails, Brian.