Information About

Sumner Island

Quick Facts

Open in The Map Sumner Island on The Map

Location

56 ° 24' 22" N,
133 ° 48' 9" W

Region

Petersburg (CA)

Elevation

135 ft (41.15 m)

Uses

Sumner Island in Detail.

About

in Sumner Strait, between Kuiu, Kupreanof, and Prince of Wales Is., Alex. Arch.

History

Named in 1886 by Lieutenant J. M. Helm, U.S. Navy (USN), for charting purposes; name published in 1887 on U.S. Coast and Geodetic Survey (USC&GS) Chart 706.