Within Labrador, this ecozone occupies the northernmost section.

The Avalon Forest ecoregion is located in the interior of the Avalon Peninsula.

The Strait of Belle Isle ecoregion occupies the northern tip of the Northern Peninsula. It is characterized by cool summers and cold winters.

The largest ecozone, the Boreal Shield, extends in a broad, U-shape from northern Saskatchewan to Newfoundland.