Grosse Île au Marteau

Mingan Archipelago National Park Reserve

Among the archipelago's most beautiful islands, Grosse Île au Marteau, flanked by majestic cliffs, beaches and flats, harbours many bird colonies. Plants, seabirds, littoral inhabitants, whales and seals - so many discoveries and surprises await you!

Trails and facilities found on Grosse Île au Marteau
© Parks Canada

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Trail map and regulations

While hiking, remain on established trails or on the shoreline where there is no vegetation.

Falling rocks are a hazard near the cliffs. When possible, keep a safe distance, avoid walking beneath overhanging rock and do not stop next to the cliffs.

At low tide, water and seaweed on the rocks create slippery conditions. Please proceed with caution.

Western islands of the archipelago

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