He traveled to the Canadian West with the Queen's Own Rifles, who were involved in the suppression of the North-West Rebellion of 1885.
Finding employment as a bookkeeper at the Mount Brett sanitorium he became acquainted with a Mr. McLeod who was curator of the museum and the park meteorologist.
Sanson made more than 1000 trips to the peak in his capacity as park meteorologist until 1945, when he was 84 years old.
"[9] Sanson was a member of the Alpine Club of Canada and was the first president of the Skyline Hikers of the Canadian Rockies.
[7] He was active with St. George's Anglican Church in Banff and supported the Canadian Bible Society.