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Home > Ontario's Trans-Canada Highway > Kingston to Montreal Itinerary

Ontario Trans-Canada Highway Route: between Kingston and Montreal along Ontario Highway 401, and Quebec Autoroute 20 (Toronto detour)

Here is the itinerary for the 248 km from Kingston to Montreal along Ontario Highway 401, and Quebec Autoroute 20, known as the Macdonald-Cartier Freeway, to continue into Montreal on #40, the Trans-Canada Highway

The 206 kilometre long Rideau Canal connected Kingston and Ottawa, using the Cataraqui River from Kingston, and the Rideau River from Ottawa. Following the War of 1812-1814, England realized that it needed a protected route between Montreal in Lower Canada and York (Toronto) in Upper Canada. The canal used 47 locks and 24 dams to climb 49 metres (160 feet) above Lake Ontario, and then fall 84 metres (275 ft) back down to the Ottawa River. Today, the waterway is used primarily by recreational boaters, and passes through many quaint towns and villages, with plenty of shopping, dining and accommodation along the way.

The Thousand Islands, which actually number 1865 of them, lie in the St Lawrence for the 50 miles from the point where it drains Lake Ontario. The islands range in size from a rock sticking out of water up to Wolfe Island which is 27 miles long and 9 miles wide. They form a connection between the Canadian Shield and New York's Adirondack Mountains just south of the border. In 1904 Canada designated some of the islands as part of the St. Lawrence Islands National Park. Visitors can take tours of the islands, which are popular with sailors and boaters from Canada and the US.


In the 1950s, the US and Canadian governments created the St Lawrence Seaway, extends 3790 km inland from the Atlantic to the west end of Lake Superior. Dams created stable water levels and harnessed the St Lawrence's hydroelectric potential while fifteen locks were built to handle ocean-going freighters. The river was key to early exploration of North America's interior, but it was a rugged waterway, punctuated with series of rapids, and at Niagara an insurmountable waterfall. Starting in 1829, small canals and locks were built for boats to bypass the rapids and the Niagara Falls, but they were massively expanded in the 1950s to handle international shipping. The largest locks and dams in this section of the Seaway are at Cornwall and at Lachine (Montreal).

Use mouse to drag/move map. Click on "+" or "-" to zoom in or out. "Satellite" shows photo, "Hybrid" combines map & photo.

Next West: Toronto to Kingston

Next East: Ottawa to Montreal Montreal to Quebec City

Ontario Highways road condition reports for this segment.

KM from Start		Highway Point Description	Municipality	GPS and Map Zoom
EB	WB
0	243	Exit 617 Division Street (S) & Perth Road / Frontenac Road 10 (N), N to towns of Westport (50 km) and Perth (80 km). S to Downtown Kingston (4 km), shopping, gas, accommodation, and hospital.	Kingston	Map Zoom
2	241	Exit 619 Montreal St.N to Mount Chesney, Glenburnie. South to Kingston, services, and 10`00 Island Cruises	Kingston	Map Zoom
3	240	Crossing Rail	Kingston	Map Zoom
4	239	Crossing Cataraqui River, Rideau Canal, vie N to Colonel By Lake	Kingston	Map Zoom
6	237	Exit 623 Hwy 15. North to Kingston Mills (1 km), marina, S to accommodation, CFB Kingston (5 km), Old Fort Henry National Historic Site (8 km)	Kingston	Map Zoom
8	235	underpass John F Scott Rd (no access)	Kingston	Map Zoom
15	228	Exit 632 Hwy 16 (Joyceville Rd) N to Hwy 15,S to English Landing PP (5 km), ferry to Howe Island	Kingston	Map Zoom
22	221	underpass Deer Ridge Rd (no access) N to 4th Concession Rd, S to Highway2		Map Zoom
26	217	Crossing Cataraqui River	Gananoque	Map Zoom
28	215	Exit 645 Hwy 32 (Stone St N), N to Hwy35, S to Gananoque, services, accommodation, museum, and Thousand Island Cruises	Gananoque	Map Zoom
29	214	EB Exit 647 Western end of 1000 Islands Parkway	Gananoque	Map Zoom
31	212	Exit 648 Route 2. North to Gananoque, accommodation, services, 1000 Islands Boat Tours. WB Access to 1000 Islands Parkway	Gananoque	Map Zoom
34	209	underpass Cliffe Rd (no access)	Gananoque	Map Zoom
42	201	Exit 659 Hwy 3. North to Lansdowne (3 km), Outlet, Charleston Lake PP (15 km). South to To 1000 Islands Parkway, Route 137 & Ivy Lea Bridge to USA I-81 south		Map Zoom
44	199	Exit 661 Rte 137. S to Ivy Lea Bridge to USA, 100 Islands Parkway		Map Zoom
48	195	underpass Escott-Rockport Rd (no access)		Map Zoom
54	189	underpass Larue Mills Rd (no access), S to Rockport		Map Zoom
56	187	Emergency U-Turn		Map Zoom
58	185	Exit 675 Hwy 5 / Mallorytown Rd. overpass, N to Malorytown & Athens. S to St Lawrence Islands National park, camping, Mallorytown Landing, N to KOA Thousand Islands		Map Zoom
58	185	Emergency U-Turn		Map Zoom
60	183	Esso Service station & restaurant, picnic area westbound		Map Zoom
62	181	Esso Service station & restaurant, picnic area, eastbound		Map Zoom
66	177	underpass Sherwood Springs Rd (no access)		Map Zoom
68	175	Exit 685 Eastern access to 1000 Islands Parkway along the St Lawrence, westbound		Map Zoom
69	174	Exit 687 Hwy 2. SE to Brockville (10 km), along St Lawrence	Brockville	Map Zoom
72	171	underpass Hallecks Rd (no access)		Map Zoom
76	167	railway underpass		Map Zoom
76	167	underpass Hwy 46 / Lyn Rd (no access)		Map Zoom
79	164	Exit 696 Hwy 29. N to Brockville Municipal Airport (6 km), Athens (22 km), Smiths Falls (50 km). South to Brockville, all services		Map Zoom
80	163	railway underpass		Map Zoom
81	162	Exit 698 Hwy 6 (N August Rd) overpass, S to shopping,s ervices, accommodation, Hospital, downtown Brockville. North to OPP.		Map Zoom
84	159	overpass Sharpe's Lane (S) / Kelly Rd (N) (no access)		Map Zoom
88	155	Exit 705 Rte 15 (Church St). N to Algonquin, Merrickville (36 km). S to community of Maitland on St Lawrence		Map Zoom
94	149	underpass Route 31, Blue Church Rd (no access)		Map Zoom
97	146	underpass Merwin Lane (no access)		Map Zoom
99	144	Exit 716 Rte 18 (Edward St, N to Domville. S to Prescott, OPP, ort Wellington Historical Site	Prescott	Map Zoom
104	139	EB Exit 721 Hwy 16, N to Spencerville, Ottawa via 416.	Morrisburg	Map Zoom
113	130	Exit 730, WB access to Hwy 16, N to Spencerville (11 km), Kemptville (34 km), Ottawa (74 km) via 416, both ways access S to Johnstown International ridge to USA, Ogdensburg (5 km) & New York State	Morrisburg	Map Zoom
121	122	Exit 738 Rte 1 (Carmen Rd)	Morrisburg	Map Zoom
123	120	overpass Boylston Rd (no access)		Map Zoom
133	110	Exit 750 Hwy 31. North to Glen Becker, Winchester (with OPP) and Ottawa. S to Morrisburg (1 km), Mariatown (with OPP)	Morrisburg	Map Zoom
138	105	overpass Highway 8 (Church Rd) (no access) S to Riverside/Cedar campground		Map Zoom
139	104	EB Shell gas, services, restaurant and picnic		Map Zoom
142	101	Exit 758 Rte 22 / Upper Canada Rd. S to community of Cardinal, Upper Canada Village, campgrounds	Cardinal	Map Zoom
144	99	overpass Nudell Bush Rd(W). Anderson Rd (E) (no access)		Map Zoom
145	98	EB Esso gas, services, food on hwy		Map Zoom
148	95	overpass Autsville Rd (no access)		Map Zoom
152	91	Exit 770 Rte 14. North to Osnabruck Centre. South to Ingleside (2 km), acccess to Long Sault Parkway, N access to Hwy 2		Map Zoom
158	85	overpass Highway 12 (Wales Rd) (no access)		Map Zoom
161	82	Exit 778, Rte 35 / Moulinetter Rd	Long Sault	Map Zoom
163	80	overpass Avonmore Rd / Hwy 15 (no access)		Map Zoom
167	76	overpass Post Rd / Hwy 36 (no access)		Map Zoom
169	74	Exit 786 Power Dam Dr. S to community of Long Sault, Long Sault Pkwy, and west access to city of Cornwall	Cornwall	Map Zoom
171	72	overpass Cornwall Centre Rd (no access)	Cornwall	Map Zoom
172	71	Exit 789 Route 138 / Brookdale Ave. North to St Andrews. S to Cornwall downtown, services, accommodation, & Seaway International Bridge to USA, Massena NY	Cornwall	Map Zoom
175	68	Exit 792 McConnell Ave. North to Route 42. South to east access to Cornwall, services, gas, hospitals	Cornwall	Map Zoom
176	67	Overpass Pitt Rd (no access)	Cornwall	Map Zoom
179	64	Exit 796 Boundary Rd. South to very east access to Cornwall	Cornwall	Map Zoom
181	62	Railway crossing	Cornwall	Map Zoom
187	56	Exit 804 Rte 44. Summerstone Rd, S to Summerstown, Cornwall Regional Airport, N to Summerstown Station,	Cornwall	Map Zoom
192	51	overpass Fraser Rd (no access)		Map Zoom
196	47	Crossing Raisin River		Map Zoom
196	47	Exit 814 Hwy 34. North to OPP, Alexandria and 417. South to Lancaster, South Lancaster, golfing, SE to camping (3 km)		Map Zoom
200	43	Visitor Information		Map Zoom
201	42	overpass Highway 26, 2nd Line Rd (no acces)		Map Zoom
204	39	overpass: 3rd Line Rd (no access)		Map Zoom
209	34	Service station & restaurant, westbound		Map Zoom
207	36	crossing Sutherland Creek		Map Zoom
208	35	Exit 825 Rte 23 (4th Line Rd). North to Dalhousie Mills, S access to camping (8 km)		Map Zoom
209	34	Service station & restaurant, westbound		Map Zoom
211	32	Quebec-Ontario border & overpass: 5rd Line Rd / Forced Rd (no access)		Map Zoom
212	31	Service station & restaurant, eastbound		Map Zoom
213	30	Overpass Chemin Ste-Claire (no access)		Map Zoom
213	30	Exit 2, Route #325 (Rue Principale). N to Riviere Beaudette (1 km), S to gas	Riviere Beaudette	Map Zoom
216	27	Exit #6, 69E Avenue / Chemin St-Thomas, S to Saint-Zotique	Saint-Zotique	Map Zoom
220	23	Exit #9 Chemin Ste-Catherine (S) / 34E Avenue (N), S to St Zotique, accommodation & camping	Saint-Zotique	Map Zoom
222	21	Exit #12 Montee du Comte (S) Rue Sauve (N), S to gas, campting and accommodation	Coteau-du-Lac	Map Zoom
225	18	Exit #14 Highway 201, gravel pit to SE of junction, Pont Mgr Langois bridge S to Valleyfield (10 km)	Valleyfield	Map Zoom
225	18	railway underpass		Map Zoom
226	17	Riviere Deslisle river crossing		Map Zoom
227	16	Exit 17, Route #201Chemin de la Riveire-Rouge O (N) / Rue Principale (S). N to St Clet (6 km). S to camping, accommodation, Rapid de Coteau du Lac (rapids on St Lawrence), Coteau Du Lac wildlife reserve	Coteau Du Lac	Map Zoom
229	14	Exit #19 Chemin St-Emmanuel		Map Zoom
232	11	Exit #22 Chemin St-Dominique	Les Cedres	Map Zoom
236	7	Exit #26 Chemin St-Fereol, S to Les Cedres	Les Cedres	Map Zoom
238	5	overpass: Chemin St-Gregoire (no access)		Map Zoom
239	4	Exit #29, Autoroute 540, access to Highway #40 northbound, access to Autoroute #40, access to Trans-Canada East to Montreal, and highway 417 NW to Ottawa, Ontario		Map Zoom
242	1	Exit #2 Route Harwood (route 342)		Map Zoom
243	0	Exit 3, Route 340 Exit 3, Route 340. W to St-Clet. E to Vaudreuil-Dorion	Vaudreuil	Map Zoom
KM from Start		Highway Point Description	Municipality	GPS and Map Zoom
EB	WB