Kumusi River
Encyclopedia
The Kumusi River is a river located in the Oro Province
Oro Province
Oro Province, formerly Northern Province, is a coastal province of Papua New Guinea. The provincial capital is Popondetta. The province covers 22,800 km², and has 133,065 inhabitants ....

 of Papua New Guinea
Papua New Guinea
Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

. Known for its width and its strength, the Kumusi has had a significant impact on the history of the Oro Province. It was a significant factor in the Kokoda Track Campaign
Kokoda Track campaign
The Kokoda Track campaign or Kokoda Trail campaign was part of the Pacific War of World War II. The campaign consisted of a series of battles fought between July and November 1942 between Japanese and Allied—primarily Australian—forces in what was then the Australian territory of Papua...

 and also a contributing factor to the destruction caused by Cyclone Guba
Cyclone Guba
Cyclone Guba was a tropical cyclone that resulted in 149 fatalities and severe damage across southeastern Papua New Guinea...

.

World War II

Due to its relative proximity to the Kokoda Track
Kokoda Track
The Kokoda Trail or Track is a single-file foot thoroughfare that runs overland — in a straight line — through the Owen Stanley Range in Papua New Guinea...

, the Kumusi River was often a factor in the Kokoda Track Campaign
Kokoda Track campaign
The Kokoda Track campaign or Kokoda Trail campaign was part of the Pacific War of World War II. The campaign consisted of a series of battles fought between July and November 1942 between Japanese and Allied—primarily Australian—forces in what was then the Australian territory of Papua...

 of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. The fast flowing and wide river provided natural barrier from enemy, and gave the soldiers a distinct advantage. There were few bridges, the solid ones were often bombed to break a supply line. Soldiers often had to walk, or use rafts through the powerful current in order to get across Many fatalities were recorded as the current overwhelmed the soldiers. One of the most notable deaths was that of Japanese Major General Tomitaro Horii
Tomitaro Horii
was a major general in the Imperial Japanese Army during World War II.-Biography:Born in Hyōgo Prefecture, Horii became an infantry officer following his graduation from the 23rd class of the Imperial Japanese Army Academy in 1911....

. After the Oivi-Gorari battle, the Japanese chaotically crossed the river at Wairopi. Although his horse already had drowned, Horii opted to try and cross on a raft. He soon fell into the water and drowned.

Cyclone Guba

On 14 and 15 November 2007, Cyclone Guba
Cyclone Guba
Cyclone Guba was a tropical cyclone that resulted in 149 fatalities and severe damage across southeastern Papua New Guinea...

 hit the Oro Province. The Cyclone brought five days of solid rain
Rain
Rain is liquid precipitation, as opposed to non-liquid kinds of precipitation such as snow, hail and sleet. Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface...

, causing widespread flooding; the Kumusi swelled to ten times its original width.
The flooding destroyed homes, gardens and in some cases, entire villages were washed away. The flooding completely destroyed the provinces vital infrastructure, over twenty-two bridges were washed away, cutting the link to Popondetta
Popondetta
Popondetta is the capital of Oro Province in Papua New Guinea.In 1951 the town became the focus of relief efforts after nearby Mount Lamington erupted and killed 4,000 people....

. Of the twenty-two, the Kumusi Bridge, a large steel structure was destroyed, with estimated rebuilding costs at K70 million.
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