The Okpilak River ( Iñupiaq: Uqpiiḷaq) is a 70-mile river located in Alaska. [1] Its headwaters are in the Brooks Range, and it is named after an Iñupiaq term meaning "no willows". [2] It is located in the North Slope Borough, Alaska. It drains into the Arctic Ocean, where it shares a delta with the Hulahula River. [3] It passes alongside Arey Island. It contains deposits of uranium and molybdenum along its banks. [4]
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70°04′40″N 144°03′09″W / 70.0778°N 144.0525°W