Last Mountain Hockey League was a Senior Hockey League that play from 1954/1955 to 1977/1978 in Saskatchewan. The only year information has been found was the first year and the teams are Govan (SK), Nokomis (SK), Raymore (SK), and Semans (SK).
The above towns accounted for 11 provincial championships during the existence of the league. Semans won five Senior C provincial championships from 1955 to 1963. Raymore added five more from 1959 to 1975. Nokomis won the 1967 championship.
Found this league at this website www.ourroots.ca/f/toc.aspx?id=3618
book - Hockey heritage : 88 Years of puck chasing in Saskatchewan