She was decommissioned on 6 February 1947 at San Diego, California and laid up in the Pacific Reserve Fleet.

She was assigned to LSMR Squadron Five and participated in the following campaigns: During her Korean War service, enemy aircraft attacked her in 1953, but did not damage her.

[1] Renamed USS Clarion River (LSM(R)-409) on 1 October 1955, the ship was again decommissioned on 26 October of that year at Astoria, Oregon and laid up in the Pacific Reserve Fleet, Columbia River Group.

Clarion River was recommissioned on 18 September 1965 at the San Francisco Naval Shipyard, Hunters Point.

Reclassified as an "Inshore Fire Support Ship" USS Clarion River (LFR-409) on 1 January 1969, she participated in the following campaigns: Decommissioned for the last time on 8 May 1970 at Yokosuka, Japan and struck from the Naval Vessel Register (date unknown), she was sold for scrap in November 1970 to the Nissho-Iwai American Corporation of Sasebo, Japan.