In the foothills of Mount Hood, the forest is alive with 10ft-tall, ape-like marauders. Douglas firs shake as they bound through the undergrowth. Deep-chested bellows deaden the birdsong trill. A sense of eyes, blood-red and menacing, intensifies the woodland air, like we are entering a long-forgotten kingdom.

Or is it just my imagination? Bigfoot – or Sasquatch, as it’s more commonly known in the Pacific Northwest – doesn’t exist, at least in my mind. But back country searches and immersive overnight expeditions for the mythical biped are becoming increasingly popular in this part of North America.

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