RVA-A Record of Time Traditional Cache
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(regular)
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This cache takes you to 186-hectare park located southwest end of Edmonton. This is a perfect place for walking your dogs, cycling, running, or cross country skiing. Terwillegar Park is also a record of time! Go for an adventure and look for amazing spots along the trails and along the banks of the North Saskatchewan River.
A Record of Time cache leads you to see an exposed geological record along the banks of the North Saskatchewan River at Terwillegar Park. The geomorphology of the North Saskatchewan River Valley is one of the most prominent land forms found within the City of Edmonton. The bedrock formation of Terwillegar Park is comprised of sandstone, mudstone, shale, ironstone and coal deposits. The movement of water over time by this river has resulted in cutting through these various layers, exposing them in stratified horizons of differing materials. Above the bedrock layers are deposits of variable silty clay. Because both the silty clay and bedrock layers are composed of very soft materials, the North Saskatchewan River cuts relatively deep into these soils. As a result, the banks of the river surrounding Terwillegar Park are considerably steep and significantly high. Steep slopes of relatively loose soil and subsoil results in general bank instability and difficult conditions for top of bank trail development. The uniqueness of the North Saskatchewan River valley banks that surround Terwillegar Park are interesting natural features and provide an interpretive opportunity.
For more information: “Terwillegar Park Concept Plan Study: Opportunities and Constraints Analysis” - November 15, 2007
Additional Hints
(Decrypt)
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