Tsum Tsadai Rock
Feature Type:Rock (1) - Small mass of rock usually projecting above the water surface.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: In entrance to Tsum Tsadai Inlet, Range 5 Coast Land District
Latitude-Longitude: 54°09'59"N, 130°17'06"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 103J/1
Origin Notes and History:

Adopted 5 April 1927 on 103J/1 as an established name on Chart 313 (title/date not cited). In lieu of original paperwork this name was reconfirmed 30 April 1954.

Source: BC place name cards & correspondence, and/or research by BC Chief Geographer & Geographical Names Office staff.

Recorded as being Indigenous name obtained by P.C. Musgrave likely from Reverend Du Vernet around 1907.

Source: BC place name cards & correspondence, and/or research by BC Chief Geographer & Geographical Names Office staff.