The massive Columbia River travels more than 1,200 miles from start to finish. It crosses four mountain ranges, powers 14 hydroelectric dams and irrigates hundreds of thousands of acres of farmland, among other feats.

But its origins start humbly: in a gentle lake in the mountains of British Columbia.

Cascade PBS’s resident historian Knute Berger journeyed to these headwaters for a recent episode of the Mossback’s Northwest video series, but there’s far more left to explore.

In this episode of Mossback, Berger joins co-host Stephen Hegg to share what it was like to make the trek to that peaceful lake in Canada where it all begins. Berger and Hegg also discuss the fur trade that kicked off an early-19th century era of exploration along the Columbia; the Welsh-Canadian explorer and cartographer known for navigating and mapping the entire river from start to finish; and the existential threat that climate change poses to the ice and snow that feed the river and its watershed.

This is the last episode of the season! Thanks so much for listening. We'll be back next season with more. In the meantime, check out the new Mossback's Northwest Special. It's a 30-minute deep dive on the Columbia River, streaming now on Cascade PBS and at CascadePBS.org.

For more on all things Mossback, visit CascadePBS.org. To reach Knute Berger directly, drop him a line at knute.berger@cascadepbs.org. And if you’d like an exclusive weekly newsletter from Knute, where he offers greater insight into his latest historical discoveries, become a Cascade PBS member today.

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Credits

Hosts: Stephen Hegg, Knute Berger

Producer: Sara Bernard

Story editor: Sarah Menzies