South of the Brooks Range are the Mackenzie Mountains, and the Canadian Rockies.

These two ecozones comprise the Mackenzie Mountains.

It originates in the Mackenzie Mountains and flows in a generally westward direction.

The Mackenzie Mountains hold about 55% of the world's known reserves of tungsten.

Mountain goat survey, Flat River area, Western Mackenzie Mountains (2004).

Its source is in the Mackenzie Mountains close to the watershed border with Yukon Territory.

It is located between the valley of the Stewart River to the south and the Mackenzie Mountains to the north.

The river originates west of the Mackenzie Mountains and flows 530 km (329 mi) long through the south central Yukon.

They were last heard of ten days ago somewhere in the Mackenzie Mountains, only a hundred miles or so south of the Arctic Circle.

Flowing in a generally northeast direction, it drains a sparsely populated, rugged area of the Mackenzie Mountains.