The 3rd Mountain Rifle Corps was formed in summer 1942 and fought in the Caucasus, Crimea, Dukla Pass, Carpathia and at Prague.

[1] Upgraded to 46th Army in July 1941 with 4th Rifle, and 9th and 47th Mountain, and in 1941-42 part of Transcaucasus Front, watching the USSR border with Turkey and the Black Sea.

[2] The 3rd Mountain Rifle Corps was ordered to form on 7 June 1942 as part of 46th Army with headquarters in Sukhumi.

The corps was tasked with the defense of the Black Sea coast and the Caucasian passes.

The corps disbanded in Hungary on 21 July 1957, its headquarters being absorbed by HQ 38th Army.