Montmagny (fall)
Quebec regionChaudière-Appalaches
Excellent
MontmagnyGrosse-ÎleIsle-aux-GruesOie des neigesPointe-aux-Oies

Montmagny (fall)

By Marilou Harvey••7 views

Fronting the St. Lawrence River downstream from Quebec City, the MRC de Montmagny is one of the ten MRCs of Chaudière-Appalaches. Its territory reads from north to south: first the islands and the shoreline, then the farming plain, and finally the Appalachian backcountry, wilder and more wooded.

Montmagny, its main town, proudly carries the title of Snow Goose Capital: in spring and fall, thousands of geese stop over on its tidal flats, and the Route des Plumes multiplies the observation sites. With more than 360 years of history behind it, the town showcases its heritage through its interpretation centres and its heritage circuits, and Vieux-Montmagny charms with its shops and its European-looking terraces.

But it is out toward open water that you should look. From the Berthier-sur-Mer marina, about fifteen minutes from Montmagny, Croisières Lachance takes you between the islands of the Isle-aux-Grues archipelago — twenty-one islands set in the middle of the river — all the way to Grosse-Île, one of the most moving places of memory in the country.

Barely an hour from Quebec City, it is the kind of weekend that feels like you travelled much farther.

Practical information

Duration
3 jours
Season
Septembre 2026
Getting around
Tesla
Accommodation
Camping en Tesla

Itinerary

Chargement de la carte…
1
Québec— Where the trip starts and ends
2
Camping Pointe-aux-Oies— Five-star campground on the river, two nights on site
3
Tour d'observation de la Pointe-aux-Oies— 2 km trail and a 30-foot tower, with a view of the archipelago
4
Croisières Lachance, Berthier-sur-Mer— Departure point for the cruise to Grosse-Île
5
Grosse-Île— Quarantine station 1832-1937 and site of Project N
6
Québec— Where the trip starts and ends

Montmagny

Camping Pointe-aux-Oies

Our base for both nights, and a campground that fully lives up to its reputation. At 45, avenue du Bassin Nord, Camping Pointe-aux-Oies is rated five stars by Camping Québec and has more than 300 sites, right on the shore of the St. Lawrence River.

The facilities are complete: a water park with slides and splash features, a heated pool, mini-golf, a snack bar, and a natural beach a few steps away. For those travelling without gear, there are three yurts and — a rare find in Quebec — two Goutte d'Ô units, a chrysalis-shaped ready-to-camp cabin where six square metres are enough to sleep two adults, or a family of four with a bed below and a hammock mezzanine above.

A practical detail mentioned by several campers: bring $2 coins for the showers. And if you are travelling in a large vehicle, be aware that some bends on the grounds are tight, even though several sites are designed for big rigs.

But the real selling point is the location. The river is right there, and the sunsets over the water are worth the trip on their own.

The Pointe-aux-Oies trail and its observation tower

Right next to the campground lies one of the finest observation sites in the region. A trail of about 2 km, lined with wooden boardwalks, runs along the river and links two terraces to a 30-foot observation tower built at the tip of the point.

And up there, the panorama takes your breath away. The river opens out as far as the eye can see, and the Isle-aux-Grues archipelago spreads out before you — twenty-one islands set in the middle of the St. Lawrence, including the Grosse-Île we were going to visit the next day. Late in the day, with the low September light on the water, it is simply magnificent.

The site was not developed by chance. Montmagny is a major migratory stopover for the Greater Snow Goose, in spring and fall alike, and the tower is a prime spot for birdwatching and photography. In the fall, the sight of tens of thousands of snow geese takes on an added dimension as the colours set in. Access is free: just follow the wooden boardwalks from the campground.

Grosse-Île

The cruise and the guided tour

Saturday was devoted to Grosse-Île, and let's say it right away: the guided tour was flawless. The Parks Canada guides know their subject in depth and tell, with remarkable accuracy, a history that is anything but easy. Absolutely fascinating from start to finish.

The crossing is with Croisières Lachance, leaving from the Berthier-sur-Mer marina at 110, rue de la Marina — about fifteen minutes west of Montmagny. The trip itself is worth the outing: you sail between the islands of the archipelago with commentary on board before landing. On the island, the visit combines a trolley ride through the eastern part with a walking tour of the western part. Allow a good half-day. Two tips we heard from everyone: bring your lunch, and dress for the weather, since a good part of the visit takes place outdoors.

One hundred and five years of quarantine

Grosse-Île is 2.9 km long and 1 km wide, and lies 46 km downstream from Quebec City. It was once known by the lovely name of île de Grâce. It was renamed Quarantine Island.

In 1832, a cholera epidemic swept across Europe, and the British colonial authorities decided to set up a quarantine station there for the Port of Quebec. It would operate for 105 years, until 1937. During that century of activity, more than four million immigrants passed through. For generations of newcomers, this island was the very first image of Canada.

1847, the black year

This is the chapter that tightens your throat. In 1845, the potato crop collapsed in Ireland — An Gorta Mór, the Great Famine. Tens of thousands of Irish fled to America aboard overcrowded, unsanitary ships, where typhus, nicknamed "ship fever", spread on a massive scale. The crossing took six to nine weeks.

In 1847, 441 ships made their way to Quebec. More than 5,000 passengers died before even arriving. At the station, Dr. George M. Douglas and his team removed some 2,200 bodies from the ships, examined 90,150 immigrants and buried at least 5,424 bodies in that single year.

The detail that shows the scale of the disaster: in early May, the station had 200 beds, a number judged more than sufficient based on previous years. From May 14 to 19 — four days — it had to take in 285 more. Healthy passengers, for lack of room, were forced to remain aboard the ships in quarantine. By the end of the month, between 50 and 60 people were being buried every day.

What is also striking is the courage of those who stayed. Police officers, medical staff, Catholic priests and Protestant ministers came to lend help all summer, knowing full well what they were risking. Forty-four members of the station's staff gave their lives there. In 1909, the Ancient Order of Hibernians erected a Celtic cross on Telegraph Hill in memory of the dead. It still watches over the river.

Project N: when anthrax was being made in the middle of the river

And then there is the other story — the one you never see coming, and which remained secret for decades.

From 1942 to 1944, in the middle of the Second World War, Grosse-Île housed Project N: the first attempt in history at mass production of a biological weapon. Canadian, British and American scientists worked there under a seal of silence, on a mission entrusted by Winston Churchill himself — to manufacture half a million anthrax bombs, intended to raze five German cities.

The island had everything the military could want: isolated, already equipped with sanitary facilities, easy to control. The anthrax bacillus was produced in the building that had once been used to disinfect immigrants. The air corridor above the island was closed. And to avoid arousing suspicion, the centre was officially presented as a simple war-disease control station, devoted to developing a vaccine against rinderpest.

Not everyone agreed: several scientists of the time judged the island far too close to inhabited coasts for that kind of work. The Scottish precedent proved them right — the island of Gruinard, bombed with anthrax in 1942 for tests, remained off-limits until 1990.

What remains most troubling is what we still don't know. In 2010, questioned in the House of Commons, the government answered that the anthrax had been neutralized with formaldehyde — without being able to say where it had been disposed of. According to the documentary Projet N, the stocks were simply dumped into the St. Lawrence. Journalists Yves Bernard and Vincent Frigon devoted a book to this investigation, published by Septentrion.

Two stories, a century apart, the same small island: first to protect a country from an epidemic, then to manufacture the means of starting one. You step off the boat in silence.

The return

A second night at the campground, then an easy drive back to Quebec City on Sunday. A little over an hour on the road, and yet the very clear feeling of having been somewhere else — and of having learned something important about our own history.

Highlights

  • •
    Le camping Pointe-aux-Oies
  • •
    La tour d'observation de la Pointe-aux-Oies
  • •
    La vue sur l'archipel de L'Isle-aux-Grues
  • •
    La croisière vers Grosse-Île
  • •
    La visite guidée de la station de quarantaine
  • •
    L'histoire du Projet N et de l'anthrax

Tips

  • 💡
    Prévoir des pièces de 2 $ pour les douches du camping Pointe-aux-Oies
  • 💡
    L'accès au sentier et à la tour d'observation de la Pointe-aux-Oies est libre, depuis le camping
  • 💡
    Pour Grosse-Île : apporter son lunch, une bonne partie de la visite se passe dehors
  • 💡
    Grosse-Île est fermée les lundis et mardis : vérifier l'horaire des départs avant de réserver
  • 💡
    L'automne est l'une des deux grandes périodes de migration de l'oie des neiges à Montmagny

Photo gallery

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Frequently asked questions

How do you get to Grosse-Île?
By boat only. We took Croisières Lachance from the Berthier-sur-Mer marina, at 110, rue de la Marina, about fifteen minutes west of Montmagny. The crossing comes with commentary and passes between the islands of the archipelago. There are generally two or three departures a day depending on the date, so check the schedule and book ahead.
How long does the Grosse-Île visit take?
A good half-day, crossing included. On the island, the visit combines a trolley ride through the eastern part with a walking tour of the western part. The island is small and the walking is not difficult, but bring good shoes and suitable clothing: much of the visit takes place outdoors.
Do you need to bring your own lunch to Grosse-Île?
Yes, it is the tip everyone repeats. There is no restaurant on the island. Coffee and muffins are sold on board the boat, but for the midday meal you need to be self-sufficient. Note also that the site is closed on Mondays and Tuesdays.
How long did Grosse-Île serve as a quarantine station?
One hundred and five years, from 1832 to 1937. It was created in response to a cholera epidemic in Europe, to protect the Port of Quebec. During that century of activity, more than four million immigrants passed through. For generations of newcomers, this island was the first image of Canada.
What happened on Grosse-Île in 1847?
It was the black year. Fleeing the Great Famine, tens of thousands of Irish boarded overcrowded ships where typhus spread. In 1847, 441 ships made their way to Quebec and more than 5,000 passengers died before arriving. On the island, Dr. George M. Douglas's team removed 2,200 bodies from the ships, examined 90,150 immigrants and buried at least 5,424 bodies. By the end of May, 50 to 60 people were being buried every day.
What is the Celtic cross on Grosse-Île?
A monument erected in 1909 on Telegraph Hill by the Ancient Order of Hibernians, in memory of the Irish immigrants who died of typhus in 1847-1848. It also commemorates the courage of the station's staff: forty-four employees, doctors, police officers, priests and ministers lost their lives helping the sick.
What is Project N?
The first attempt at mass production of a biological weapon, carried out in secret on Grosse-Île from 1942 to 1944. Canadian, British and American scientists worked there on a mission entrusted by Winston Churchill: to manufacture half a million anthrax bombs intended to raze five German cities. The project remained secret for decades.
How was Project N kept secret?
The centre was officially presented as a war-disease control station, devoted to developing a vaccine against rinderpest. The air corridor above the island was closed, and the staff had sworn silence. The anthrax bacillus was produced in the building that had once been used to disinfect immigrants.
What became of the anthrax stocks?
The question remains open, and that is the most troubling part. In 2010, questioned in the House of Commons, the government answered that the anthrax had been neutralized with formaldehyde, without being able to say where it had been disposed of. According to the documentary Projet N, the stocks were dumped into the St. Lawrence. Journalists Yves Bernard and Vincent Frigon devoted a book to this investigation.
Does Camping Pointe-aux-Oies live up to its reputation?
Yes. It is rated five stars by Camping Québec and has more than 300 sites right on the river. There is a water park with slides, a heated pool, mini-golf, a snack bar and a natural beach. Three yurts and two Goutte d'Ô, a chrysalis-shaped ready-to-camp cabin, round out the offer for those travelling without gear. One detail: bring $2 coins for the showers.
Can you visit the Pointe-aux-Oies observation tower freely?
Yes, access is free. A trail of about 2 km, lined with wooden boardwalks, starts in the campground area and links two terraces to a 30-foot observation tower built at the tip of the point. From up there, the view takes in the river and the Isle-aux-Grues archipelago, with Grosse-Île in the distance.
When can you see snow geese at Montmagny?
In spring and fall, during the migratory stopovers. Montmagny carries the title of Snow Goose Capital, and tens of thousands of geese gather then in the fields, on the shoreline and in the marshes. Fall adds colour to the spectacle. The Pointe-aux-Oies tower and the Route des Plumes are the best observation spots.

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