Entering Bow Valley Provincial ParkMountain scenery at Middle Lake in Bow Valley Provincial ParkA trail follows the top of an esker in Bow Valley Provincial Park
The spring water at Many Springs has a year-round temperature of about 7 °C (40 °F) and does not freeze in the winter. It originates as precipitation in the surrounding mountains and percolates down to a depth of about 600 m (2,000 ft) where it is warmed by geothermal heat. It then circulates up along the plane of the McConnell Thrust, which passes under the park beneath Many Springs. After mixing with water from the sand and gravel deposits that underlie the Bow Valley, the spring water flows into the lake at a rate of about 100 L/sec (26 gal/sec).[1][2]
The park also features good examples of fluvioglacial landforms that formed during the retreat of the Bow River valley glacier in the late Pleistocene.[3] These include Middle Lake, which is a kettle lake that was formed by a large block of ice that had become detached from the retreating glacier. The block became surrounded by glacial outwash, and when it melted it left the depression that now holds the lake.[1][4] There is also a variety of kames, eskers and moraines in the park.[4]
Flora and fauna
After the glacier retreated, the park area was colonized by shrubby pioneer plants that were subsequently replaced by a coniferousforest.[5] The vegetation in the park today is a mix of forested areas and open meadows, and is adapted to cold winters, strong Chinook winds, and hot dry summers.[4]
The forest is dominated by pines and includes spruce, fir, and poplars. Due to strong winds from the west, trees exposed on the tops of ridges commonly lean to the east and lack branches on the windward side. Drier areas of the park are covered by grasses, a wide variety of wildflowers, and low, mat-like juniper shrubs (Juniperus horizontalis). Consistently damp, humid areas like Many Springs host moisture-loving plants like yellow lady's slipper (Cypripedium parviflorum), butterwort (Pinguicula vulgaris), and elephant's head (Pedicularis groenlandica).[4]
Because of the relatively warm water from the springs, the lake at Many Springs does not freeze completely in winter, which makes it attractive to beavers and other animals. Animals are also attracted by the sodium chloride in the spring water that creates salt licks for them. The small blind aquaticisopodSalmasellus steganothrix, which is usually found in caves,[6] lives under rocks in the lake at Many Springs.[4]
^ abcLeckie, D.A. 2017. Rocks, ridges, and rivers - Geologic wonders of Banff, Yoho, and Jasper National Parks, p. 40-44. Broken Poplars, Calgary, 217 p. ISBN978-0-9959082-0-8.
^Toop, D.C. and de la Cruz, N.N. 2002. Hydrogeology of the Canmore corridor and Kananaskis Country, Alberta, p. 4-5 to 4-7. Alberta Environment, Hydrogeology Section, Edmonton, Alberta; report to Western Economic Partnership Agreement, Western Economic Diversification Canada, 83 p.
^Rutter, N.W. 1972. Geomorphology and multiple glaciation in the area of Banff, Alberta, p. 22-23. Geological Survey of Canada, Bulletin 206, 54 p.
^ abcdeDaffern, G. 2003. Short walks for inquiring minds: Canmore & Kananaskis Country, 2nd edition, p. 55-77. Rocky Mountain Books, Surrey, British Columbia, 296 p. ISBN978-1-894765-41-1.
^Macdonald, G.M. (January 1982). "Late Quaternary paleoenvironments of the Morley Flats and Kananaskis Valley of southwestern Alberta". Canadian Journal of Earth Sciences. 19 (1): 23–35. doi:10.1139/e82-003.
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