Description
El Capitan Passage is located extends from Sea Otter Sound to Shakan Strait, between Kosciusko I. and Prince of Wales I., Alex. Arch. 27 miles long.
History
Named in 1904 by E. F. Dickins, U.S. Coast and Geodetic Survey (USC&GS), "after El Capitan Marble Quarry and Mill, on N shore * * *."