Adopted 14 August 1952 on 104J/6 as appears on Reference Map 922A "Canadian Cordillera" (1948). Likely named in association with Nahlin River.
Source: BC place name cards & correspondence, and/or research by BC Chief Geographer & Geographical Names Office staff.
Recorded that Rose Dennis of Dease Lake, indicated that this Tahltan word means "water pouring down" pronounced Nah-ah-LEEN. Jackie Williams, Atlin, indicates this is similar to a Tlingit word meaning "walk up to the next village".
Source: BC place name cards & correspondence, and/or research by BC Chief Geographer & Geographical Names Office staff.