Klappan Mountain
Feature Type:Mountain - Mass of land prominently elevated above the surrounding terrain, bounded by steep slopes and rising to a summit and/or peaks.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: Between heads of Nass and Spatsizi Rivers, SE of Telegraph Creek (community), Cassiar Land District
Latitude-Longitude: 57°12'32"N, 128°50'04"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 104H/2
Origin Notes and History:

Mount Klappan adopted 6 April 1950 on 194H, located at 57 14 - 128 49. Form of name changed to Klappan Mountain 6 May 1975 on 104H/2, and coordinates adjusted to 57 12 - 128 50 (NAD27) as identified in Geological Survey publication, 1949.

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