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The Unuk River is the second smallest watershed in the transboundary study of Southeast Alaska, but has three large mining projects in development (Kerr-Sulplherets-Mitchell (KSM), Brucejack, and Eskay Creek).

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Real-time Streamflow of the Unuk River Graph

Real-time Streamflow of the Unuk River | Historical Water Quality DataSummary of all Available Data

The Unuk River is the second smallest watershed in this study but has three large mining projects in development (Kerr-Sulplherets-Mitchell (KSM), Brucejack, and Eskay Creek). The U.S. portion of the watershed is within Misty Fjords National Monument, a wilderness area in Tongass National Forest. Within Canada are Lava Forks Park and Border Lake Park. Although predominantly a braided river, there are two lava canyons on the mainstem of the Unuk where water pours out of lava tubes. The Unuk is a very remote watershed that receives few visitors each year. Water quality sampling on the Unuk began in January 2018.

Unuk River Layout

Illustration detailing the Unuk River layout.  (Public domain.)