Great Canadian Parks / Northwest Territories

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The Parks / Northwest Territories ./ Tuktut Nogait National Park



 


 

The Tundra Hills natural region, a landscape of plains and rolling elevations where almost all streams and rivers have cut deep gorges and canyons through sedimentary bedrock, produces such spectacular features as the La Ronciere Falls and Pillar Canyon on the Hornaday River. Another rarity, the pingo, a steep-sided conical hill caused by the freezing of water under pressure, occurs only where permafrost prevents melting of the pingo's core of ice. The heart of the region's higher elevation areas escaped the ice sheets during the Wisconsin glaciation, becoming a unique Arctic sanctuary for wildlife threatened by the loss of their habitats. The soaring cliffs provide nesting sites for birds of prey and the lush valleys support populations of caribou and muskox.

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