Aulavik
- Website: http://www.pc.gc.ca/pn-np/nt/aulavik/index_e.asp
- Location: On the Arctic lowlands on the north end of Banks Island
- Area: 12,000+ km2 (4,633+ mi2)
- Proclaimed: 1992
- Historical:
- Features:
- Highest density of muskoxen in the world
Nahanni Reserve
- Website: http://www.pc.gc.ca/pn-np/nt/nahanni/index_e.asp
- Location: In the South Mountains in the south-western corner of the Northwest Territories
- Area: 300 km2 (116 mi2)
- Proclaimed: 1972
- Historical:
- UNESCO World Heritage Site in 1978
- The South Nahanni River a Canadian Heritage River in 1987
- Features:
- Canyons and falls of the South Nahanni River
Tuktut Nogait
- Website: http://www.pc.gc.ca/pn-np/nt/tuktutnogait/visit/index_e.asp
- Location: In the northeast corner of mainland Northwest Territories, 430 km (267 mi) east of the town of Inuvik and 170 km (106 mi) north of the Arctic Circle.
- Area: 16,340 km2 (6,309 mi2)
- Proclaimed: 1998
- Historical:
- Features:
- 360 archaeological sites
- Caribou calving grounds
Wood Buffalo
- Website: http://www.pc.gc.ca/pn-np/nt/woodbuffalo/index_E.asp
- Location: Straddles the border between Alberta and Northwest Territories
- Area: 44,807 km2 (17,300 mi2)
- Proclaimed: 1922
- Historical:
- UNESCO World Heritage Site
- Features:
- Last remaining herds of wood bison in northern Canada