Tahkenitch Lake, Oregon Coast

Tahkenitch Lake

About 3,000 to 4,000 years ago, Tahkenitch Lake is believed to have been an ocean estuary. Large earthquakes caused the dunes to shift, cutting it off from the Pacific Ocean, now 1.6 miles away (http://wikimapia.org/5881468/Tahkenitch-Lake). According to The Northwest Coast: A Natural History (Schultz 2011, page 244), “the single most striking contribution of the dunes to the ecology of the West Coast is their creation of lakes. In the Northwest, mountains rise abruptly from the shoreline, leaving little level ground for lakes. If not for the dunes, perhaps over 90% of these lakes would not exist.”

About tyler4turtles

I am an avid photographer, poet, ecologist, bookworm, blogger, art enthusiast and runner who calls Montana home but lives in Oregon.
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8 Responses to Tahkenitch Lake, Oregon Coast

  1. Gallivanta says:

    We have lots of dunes and earthquakes. Maybe we will end up with lakes one day. 😉

  2. It’s intriguing to me that few who have not spent time on the upper west coast know that it, too has dunes—I think there’s some sort of autopilot assumption that all dunes are in hot climes. Nicely explicated and illustrated here! 🙂

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