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Landscapes & Natural Features

These Mysterious Lakes Were Born from Ancient Ice (Here’s How)

Estimated read time 12 min read

Picture a perfectly round pond nestled in the forest, its basin so smooth and deep it looks like a giant ice cream scoop carved it from the earth. That’s essentially what happened – except the scoop was a massive chunk of glacial ice, and the carving took thousands of years. Kettle lakes are these remarkable depressions filled with water, created when huge blocks of ice broke off from retreating glaciers during the last Ice Age and became buried in sediment. As the ice melted, it left behind bowl-shaped hollows that filled with water, forming the kettle lakes we see today.
These geological treasures dot Ontario’s …

Categories
Landscapes & Natural Features

Walking on Ancient Seas: Ontario’s Living Limestone Landscapes

Estimated read time 12 min read

Imagine walking across a flat expanse of ancient stone, where cracks in the limestone reveal tiny orchids and rare ferns that exist nowhere else on Earth. This is the world of alvars and limestone pavements, extraordinary landscapes sculpted from travertine and limestone over thousands of years.
These unique ecosystems form when calcium-rich limestone erodes into flat, barren-looking platforms punctuated by deep fissures called grikes. Despite appearing lifeless at first glance, these rocky wonderlands support incredibly diverse plant communities adapted to extreme conditions—blazing heat in summer, waterlogged springs, and harsh …