The vastness of the river, the wind in your hair, as a powerful and majestic spout breaks the surface of the water… Welcome to Tadoussac, the whale capital of the world! If you think a whale watching cruise in Tadoussac is just another activity, think again.
Here are 10 reasons that will make you want to experience this unforgettable excursion on the St. Lawrence River this summer 2026.
1. Spot Up to 13 Species of Whales
Few places in the world let you observe so many whale species in one location! Minke whales, fin whales, humpback whales, harbour porpoises… No fewer than 13 species frequent the Saguenay–St. Lawrence Marine Park each season. Keep your eyes open: you might even catch a glimpse of a blue whale, the largest animal on the planet. Whether you depart from Tadoussac or Baie-Sainte-Catherine, every excursion comes with its share of surprises.
When is the best time to see whales in Tadoussac?
Whale watching season in Tadoussac runs from mid-May to late October. Whales visit the Saguenay–St. Lawrence Marine Park to feed throughout this period, offering excellent observation opportunities from the very start of the season right through to the end.
2. Explore the Saguenay–St. Lawrence Marine Park, the World's Best Whale Watching Site
The Saguenay–St. Lawrence Marine Park spans 1,245 km² where the freshwater of the fjord meets the saltwater of the river, making it a truly unique protected area and recognized as the world's best whale watching destination. Why? Because its waters are teeming with food for marine mammals: krill.
This abundance of krill is the result of three currents converging at Tadoussac: the Great Lakes current, the Saguenay current, and the Labrador current. The cold Labrador current rises to the surface as it meets shallow shoals, mixing with the other two and stirring up organic particles that fertilize the water, promoting the growth of plankton, crustaceans, and fish.
Among this zooplankton is krill, a tiny 3 cm crustacean and the whale's favourite meal (a blue whale can consume up to 16 tonnes per day!). It's in these rich waters that whales spend their entire summer feeding, giving observers a rare opportunity to watch them in their natural habitat.
3. Meet Some Adorable Seals
Whales aren't the only marine mammals you might spot on your cruise: two iconic seal species also call the marine park home. The harbour seal, recognizable by its small size and spotted coat, and the grey seal, larger and distinguished by its long straight snout and dark-spotted grey fur. Whether swimming in groups or basking on sun-warmed rocks and sandbars, watching seals in the wild is an absolute delight! Their behaviour, by turns surprising and amusing, is sure to captivate you.
4. Deepen Your Knowledge with Naturalist Guides
Whether you opt for a whale watching tour aboard a comfortable observation boat or a thrilling Zodiac adventure, our naturalist guides will share everything you've ever wanted to know about the giants of the sea. Experienced and certified, they're walking encyclopedias, not just on whales, but on all the flora and fauna of the marine park.
With an intimate knowledge of the area, they'll help you spot whale spouts and observe fascinating behaviours up close. Thanks to their expertise and stories, you'll leave with a whole new perspective on marine life, and memories to match.
Zodiac or large boat: which one is right for you?
Croisières AML offers two types of vessel for whale watching. Here's how to choose:
Criteria | Zodiac Tour | Observation Boat Tour |
Duration | 2 to 2.5 hours | 3 hours |
Experience | Thrilling, close to the water | Comfortable, panoramic views |
Ideal for | Adventurers, photographers | Families, relaxation |
Onboard services | Waterproof suit provided | Bar, food service, washrooms |
Whether by Zodiac or observation boat, every whale watching tour with Croisières AML is led by a certified naturalist guide or captain.
5. Take in the Splendor of the Saguenay Fjord
On select whale watching cruises, you'll have the chance to venture into the spectacular Saguenay Fjord, a true natural wonder. This ancient glacial valley stretches over 100 km and reaches depths of up to 275 m in places. Its towering cliffs, some rising as high as 450 metres, are home to rich and varied wildlife, including numerous seabirds. Life is equally abundant below the surface: the fjord is defined by the layering of fresh water (at the surface, flowing in from Lac Saint-Jean and surrounding rivers) and salt water (in the depths, from the St. Lawrence). This meeting of waters creates a unique ecosystem and supports remarkable fish diversity.
6. Choose an Eco-Responsible Cruise
When you cruise with Croisières AML, you're choosing an experience committed to minimizing its impact on the marine environment. The natural behaviour of whales and other marine mammals is always respected, guided by strict non-intrusive approach protocols. Our vessels are equipped with engines designed to reduce fuel consumption and underwater noise. A way to experience a one-of-a-kind adventure with a genuine commitment to protecting the environment that makes it possible.
7. Admire the Haut-fond Prince Lighthouse
An iconic symbol of Tadoussac, affectionately nicknamed the "Spinning Top" by locals, the Haut-fond Prince Lighthouse has been guiding mariners for over a century! Its light, visible up to 33 km away, still watches over the river to this day. During your whale watching cruise, you'll get a closer look at this landmark and learn more about its role in the region's rich maritime history.
8. Discover Tadoussac and the CĂ´te-Nord: What to Do In Tadoussac Beyond Whale Watching
Your cruise is the perfect opportunity to explore the Côte-Nord region and the charming village of Tadoussac. Named one of the most beautiful villages in Québec, it's best discovered on foot. Follow one of its many trails, such as the Pointe-de-l'Islet path, which offers breathtaking views over the bay.
Just east of the village, a surprising landscape awaits: vast golden sand dunes stretching over two kilometres, creating a striking contrast with the surrounding forests and cliffs. Tadoussac is also rich in history, home to a replica of New France's first fur trading post and the oldest wooden chapel in Canada. A wonderful introduction to this truly unique region!
9. Support a Proud Quebec-Based Family Business
For 53 years, Croisières AML has proudly navigated the St. Lawrence, celebrating its extraordinary richness and biodiversity. A family-owned company, it remains in the hands of the Hamel family, who have passed down their love of the river and of navigation through three generations.
With a fleet of 25 vessels, 10 ports of call across Québec, and a team of 750 passionate individuals, the company creates unforgettable moments for over 650,000 passengers each year. Recognized as the largest excursion cruise company in the country, it is a driving force in Québec tourism and the provincial economy.
Choosing Croisières AML means proudly supporting a 100% homegrown business!
10. Come Home with Memories That Last a Lifetime
Take our word for it: watching a whale breach the surface or release a spectacular spout visible from kilometres away is an experience you'll treasure for years to come! Whether you choose a Zodiac or an observation boat, all our vessels are designed for an optimal experience, with panoramic views that ensure ideal conditions for observing marine mammals. You'll have every opportunity to take stunning photos and create lasting memories alongside these majestic creatures. An experience that will stay with you long after you return to shore!
Now that you're convinced, book your whale watching cruise in Tadoussac with Croisières AML today. The 2026 season promises to be unforgettable!
