Berdeen Lake is located in North Cascades National Park, in the U. S. state of Washington.

[2] Berdeen Lake is 1.25 mi (2.01 km) east of Hagan Mountain and the outlet from the lake leads to a series of waterfalls known as Berdeen Falls which drop 850 ft (260 m) on a tributary of Bacon Creek.

[3]

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