on Kenai Peninsula, trends NW to its terminus at Grewingk Creek 3 mi. SW of Kachemak Bay, 15 mi. ESE of Homer, Chugach Mts. 12 miles long.
Named by W. H. Dall, US@C&GS, in 1880, for Constantin Grewingk, who in 1850, published a work in German on the geology and volcanism of Alaska.