trends SW from Rocky Point to Calm Point, between Hagemeister I. and the mainland, Kilbuck-Kuskokwim Mts. 25 miles long.
Named for Hagemeister Island by the Russians; published as "Prol(iv) Gagemeystera" by Lieutenant Sarichev (1826, map 3), Imperial Russian Navy (IRN). It was called "Hagmeister Channel" in 1890 by U.S. Bureau of Fisheries (USBF).