Sinclair Lake
Feature Type:Reach - Relatively straight section of a river, lake, or inlet.
Status: Not official
Other Names: Whitesail River, Whitesail ReachOfficial
Relative Location: SW of Ootsa Lake at NW side of Tweedsmuir Provincial Park, Range 4 Coast Land District
Latitude-Longitude: 53°41'49"N, 126°43'20"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 93E/10
Origin Notes and History:

"Sinclair Lake (not Long Lake)" adopted in the 18th Report of the Geographic Board of Canada, 31 March 1924; an expansion of Whitesail River. This discrete lake and river portion were flooded behind the Kenney Dam, and both were renamed Whitesail Reach 1 March 1956 on 93E.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Sinclair Lake was named by Fr. A.G. Morice, and so-labelled on his 1907 map, although the lake was well-known to residents around the Ootsa Lake settlement as "Long Lake" (Ottawa file OBF0662).

Source: Canadian Geographical Names Database, Ottawa