Trinity Valley
Feature Type:Valley (1) - Long relatively narrow depression, commonly containing a river or other water feature.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: Between Vernon and S end Mabel Lake, Osoyoos Division Yale Land District
Latitude-Longitude: 50°24'59"N, 118°56'04"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 82L/7
Origin Notes and History:

Decision on 82L/SE. Established name - on CGS Map, Shuswap, 1898.

Source: Canadian Geographical Names Database, Ottawa

The valley was named early in the 1890s by James H. Christie, settler at the foot of Mabel Lake in 1892. The creek gets its name from the valley. (12th Report of the Okanagan Historical Society, 1848, citing W. O. Procter; H. J. Blurton).

Source: included with note