Reginald Mountain

Reginald William Mountain (1899–1981) was a British civil engineer.

Mountain was born in London in 1899. He served as an officer of the British Army's Royal Engineers during the First World War. From 1919 to 1922 Mountain studied for a Bachelor of Science degree in engineering at Northampton Engineering Day College, graduating with a degree awarded by London University. He remained in the reserve and was promoted to Lieutenant on 7 August 1925 with his seniority backdated to 16 April 1923. Mountain left the reserve and resigned his commission on 15 November 1930.

Mountain undertook three years of pupillage with an engineer in Switzerland. He wrote about the Galloway hydro-electric power scheme, co-authoring a book on the subject and writing a journal article on the connection of the scheme with the National Grid. Mountain collaborated with fellow hydroelectric engineer Angus Paton on a paper describing Paton's Owen Falls hydroelectric scheme built in 1948.

Mountain served as President of the ICE for the November 1962 to 1963 session. Mountain died in 1981.