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 Smallwood Reservoir/ Michikamau ecoregion can be divided into two sections in Labrador.

South Avalon Burin Oceanic Barrens ecoregion covers the southern tips of the Avalon and Burin peninsulas.