360° VR Panoramas of theMackenzie Highway and Great Slave Lake
Karstlands area in Wood Buffalo National Park
West of Fort Smith, Wood Buffalo National Park, The Northwest Territories


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Angus sinkhole in gypsum karst

Angus sinkhole in gypsum karst

The northen part of Wood Buffalo park is underlain by deposits of limestone and gypsum. Acidic ground water has in many places dissolved the rock, forming caves and sinkholes.

Angus Sinkhole, Wood Buffalo National Park, The Northwest Territories

Date photographed: September 1, 2016

Sinkhole on trhe Karstlands Trail

Sinkhole on trhe Karstlands Trail

The Karstlands nature trail is a short loop through an area of boreal forest with numerous small sinkholes.

Wood Buffalo National Park, The Northwest Territories

Date photographed: September 2, 2016

Karstlands trail doline

Karstlands trail doline

A doline is a collapse feature where several sinkholes have coalesced. This part of th park is underlain by limestone which is continuously being dissolved by acid groundwater.

Wood Buffalo National Park, The Northwest Territories

Date photographed: September 2, 2016

Previous locality: Hay River Next locality: Fort Smith