Tasiujaq is a northern village in Nunavik, in northern Quebec, Canada. Its population in the Canada 2021 Census was 420. Tasiujaq was built on the shores of Leaf Lake at the head of Deep Harbour and lies a few kilometres north of the tree line, where the shrub tundra finally gives way to the arctic tundra. Tasiujaq actually refers to the whole of Leaf Basin: Leaf Lake…Tasiujaq is a northern village in Nunavik, in northern Quebec, Canada. Its population in the Canada 2021 Census was 420. Tasiujaq was built on the shores of Leaf Lake at the head of Deep Harbour and lies a few kilometres north of the tree line, where the shrub tundra finally gives way to the arctic tundra. Tasiujaq actually refers to the whole of Leaf Basin: Leaf Lake, Leaf Passage and Leaf Bay. Leaf Basin is renowned for its high tides, which regularly exceed 15 metres.