The Jago River /ˈdʒeɪɡoʊ/ is a 90-mile (140 km) river located in the North Slope Borough, Alaska. Its headwaters are in the Brooks Range, and it is named after a Lieutenant Jago of a geological survey. It drains into the Arctic Ocean. It contains deposits of azurite and malachite.
70°06′34″N 143°18′23″W / 70.1094°N 143.3064°W