Branching off the Bendigo-Deniliquin line at Elmore, it ran north-west to its terminus at Cohuna.

The line was authorised by the 1912 Elmore to Cohuna Railway Construction Act,[3] and was officially opened on 10 November 1915.

[1] All stations on the branch opened with the line on 10 November 1915.

Stations on the section from Diggora Wast to Cohuna closed with that part of the line on 1 March 1981.

The section from Elmore to Diggora West was closed on 8 December 1986.