07/04/2013 06:20 EDT | Updated 09/03/2013 05:12 EDT

Canoeists Near Edson Rescued After 16 Hour Ordeal In Athabasca River

Water from the mighty Athabasca River rushing over a boulder on edge of Sunwapta Falls, Jasper National Park, Alberta, Canada.
EDSON, Alta. - Two people clung to a rock for about 16 hours in the middle of a river in northwestern Alberta after their canoe capsized.

Mounties say the two were part of a tour group in canoes travelling along the Athabasca River near Edson, about a two-hour drive west of Edmonton.

RCMP say the two, along with two others, got separated from the group Wednesday afternoon.

The tour group found two of the people on the shore and airdropped them supplies, but it did not realize the other two were stranded on the river.

Mounties got the call late Wednesday, but due to darkness and the remoteness of the area, could not attempt a rescue and set out Thursday morning.

Police rescued the four and say all were examined by EMS and declined further medical attention.

Officers say those who clung to the rock told them they couldn't swim to shore due to high water levels and a strong current.

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