Mount Dione
Feature Type:Mount - Variation of Mountain: Mass of land prominently elevated above the surrounding terrain, bounded by steep slopes and rising to a summit and/or peaks. ["Mount" preceding the name usually indicates that the feature is named after a person.]
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: Just S of Mount Tantalus on W side of Tantalus Provincial Park, NW of Squamish, New Westminster Land District
Latitude-Longitude: 49°48'57"N, 123°19'44"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 92G/14
Origin Notes and History:

Adopted 6 June 1957 on 92G/14, as submitted by Neal Carter, BC Mountaineering Club.

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

In association with Tantalus Range and the surrounding peaks named from Greek mythology: Dione, the female Titan was the mother of Aphrodite (Venus).

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

"After Dione, in Greek mythology a female Titan; by one account the daughter of Atlas, wife of Tantalus and mother of Pelops and Niobe; generally regarded as the female embodiment of the attributes of Zeus [chief of the Olympian gods - father of gods and men]. Named by Neal M. Carter, because the peak is adhacent to Mount Tantalus. First ascent Tom Fyles and John Fyles, 1916."

Source: Provincial Archives' Place Names File (the "Harvey File") compiled 1945-1950 by A.G. Harvey from various sources, with subsequent additions