[4] It is characterized by steep, rugged Palaeozoic and Precambrian rock, commonly bare or ridged.

[5] The region contains boreal forests with dwarf black spruce (Picea mariana) and balsam fir (Abies balsamea), dwarf kalmia (Kalmia polifolia), and various mosses.

Various mixed evergreen and deciduous shrubs can be found in exposed areas.

[4] Other species include: The region is threatened by an increase in harvest of wood for lumber and the pulp and paper industry.

Further threats come from high all-terrain vehicle traffic, which affect some areas.