Abraham Lake was created by the former Calgary Power Company, now TransAlta, in 1972, with the construction of the Bighorn Dam. Planning of the dam involved no evaluation of the social and environmental effects it may have caused and no public hearings were held prior to the construction. Construction of the Bighorn Dam flooded the Kootenay Plains and stopped the livelihood (hunting and fur trapping) of the Bighorn band of the Stoney Nakoda First Nation that had lived in that areaTrapped methane causes frozen bubbles to form under the ice on the lake's surface. This phenomenon results when decaying plants on the lake bed release methane gas, which creates bubbles that become trapped within the ice, in suspended animation, just below the surface as the lake begins to freeze. The visual effects formed by the resulting stacks of bubbles, frozen while rising toward the surface, combined with the clear blue water, have made Abraham Lake a popular destination for photographers and nature observers. The ice coverage of the lakes varies throughout the winter.
SKILL LEVEL: Medium
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