The Numa Numa Trail is a prewar walking track that spans from Numa Numa (Numanuma) on the eastern coast of Bougainville Island across the central mountain range to to Torokina on the western coast.
After the American landing at Empress Augusta Bay on November 1, 1943, the Japanese Army used the Numa Numa Trail to move troops, artillery and supplies across Bougainville for a early March 1944 counterattack against the American perimeter that failed. Afterwards, the Numa Numa Trail was used to withdraw westward and fight delaying actions against Ameican and later Australian soldiers. By July 1945 Australian Army patrols had crossed the entire trail to the western coast.
Australian Army Campaigns in New Guinea: Bougainville
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March 17, 2019