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From the Trail: The Secret Winter World Underwater in the North Cascades
From the Trail offers naturalist-inspired answers to common (and not-so-common) questions about Pacific Northwest landscapes—from wildlife encounters and wildflower timing to weather, geology, and everyday ecology. Our educators share insights drawn from years of field experience, curiosity, and close observation. Have a question you’ve always wondered about while hiking, camping, or exploring outside? Leave it in the comments, and we’ll answer it in future editions of From the Trail.
The Secret Winter World Underwater in the North Cascades
Living close to the Skagit River over the years and watching fall slip into winter can be a magical grounding time, especially after a fresh snowfall. The world feels completely still, no wind, no birds, just the muffled quiet that comes with deep cold. The river can look dark and empty beneath a skin of ice along the edges, but just beneath the water, a whole other world exists. Aquatic animals don’t hibernate like bears, they adapt, slow down, and keep living in clever ways.
So what really happens underwater when winter takes over?
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