Description
Sergius Channel is located between Sergius Point and Pinta Head, W end of Peril Strait, off coast of Baranof I., 25 mi. NW of Sitka, Alex. Arch.
History
Probably named in 1884 by Commander V. B. Coghlan, U.S. Navy (USN); published in the 1891 Coast Pilot (p. 181).