Mount Vaux is a 3,310-metre (10,860-foot) mountain summit located in the Kicking Horse River valley of Yoho National Park, in the Ottertail Range of the Canadian Rockies in British Columbia, Canada.

[4] The mountain was named in 1858 by James Hector for his friend William Sandys Wright Vaux (1818–1885), a resident antiquarian at the British Museum who helped secure funds to support Hector's Palliser Expedition report.

[2] The first ascent of the mountain was made in 1901 by Charles E. Fay, James Outram, and J. Henry Scattergood, with Christian Hasler Sr. as guide.

[5] Outram described the view of the peak from Emerald Lake in his book, "In the Heart of the Canadian Rockies" as follows, "The drive is a lovely one, particularly where the "long-drawn aisles" of stately firs open out a vista piercing the tall, tapering trees, that form a grand enshadowed avenue nearly a mile in length, beyond which the white sunlit crest of glacier-crowned Mt.

"[6] Mount Vaux is composed of sedimentary rock laid down during the Precambrian to Cambrian periods.