anabranch of South Fork Koyukuk River near its mouth, 20 mi. E of Allakaket, Kanuti Flats.
Named in 1899 for the riverboat Eclipse which wintered there in 1898-99.
Hawzerah Lake, Kodosin Minnkohwin Lake, Konedsin Minnkohwin Lake, Mingkoket Lake,
Rivers:Streams:Eclipse Slough, Peavey Slough,
Streams: