Also, the Red River doesnât stay red forever. But, at the same time, spring thaw proceeds steadily northward along the Valley. The Red River links the Great Plains with the Mississippi River Valley. The Red River is notorious for its violent floods with its seasonally wide volume fluctuations. Four factors, all associated with our unusual physiography, seem to be involved: 1. While it remains a muddy brown through most of the year, the Red River emerges to claim its true beauty during the rainy season. The Red River is a 97.2-mile-long (156.4 km) tributary of the Kentucky River in east-central Kentucky in the United States.Via the Kentucky and Ohio rivers, it is part of the Mississippi River watershed.. The Red River flows past the Vietnamese capital Hanoi before emptying into the Gulf of Tonkin. The Red River flows through a productive agricultural region that is prone to both drought and severe flooding â the largest flood in the area in recent history, coined âthe flood of the century,â occurred in 1997. Brahmaputra River turns red for 3 days . According to the Encyclopedia of Oklahoma History and Culture, the name comes from the French transliteration of the Caddo word washita, meaning "good hunting grounds." It is believed that it is the time, Devi Kamakhya menstruates. During this time Devi temple remains closed for 3 days. SYNCHRONY OF DISCHARGE WITH SPRING THAW: The Red River flows northward. After the river water turned red some residents posted on social media that the crimson waters were a sign of Armageddon â an event described in the (Christian) Bible as â¦ A Siberian River Has Mysteriously Turned Blood Red : The Two-Way Alarmed Russians are sharing photos on social media of the red Daldykan River, â¦ Why does the Red River flood so frequently and with such extensive areal coverage throughout the "Valley"? The exact hue of âRedâ that the river turns all depends on how much rain occurs. This unique river only runs red for about 5 kilometers. The color of the water runs a pinkish red due to the iron oxides that form a large part of the regionâs soil. Having its source in the Palcoyo Rainbow Mountain, the Red River in Cusco is a treat to the eyes. The delta is a major agricultural area of Vietnam with vast area devoted to rice. The âRedâ color that we see is really iron-rich red sandstone that turns the water red or pink. The reddish-brown heavily silt-laden water gives the river its name. Red River, Vietnamese Song Hong, Chinese Yüan Chiang, principal river of northern Vietnam.It rises in central Yunnan province, southwestern China, and flows southeast in a deep, narrow gorge, across the Tonkin region, through Hanoi, to enter the Gulf of Tonkin after a course of 750 miles (1,200 km). Ouachita is the river flowing SE from west Arkansas through NE Louisiana to the Red River. 605 miles (975 km) long. The problem with water in the Red River is much of it is too salty and requires costly treatment, if it is usable at all. The saltiness is caused by a natural phenomenon that dates back to â¦ This is something really unusual that every year during the month of June the river water turns red. Why did the Caddo Indians settle in the area? The more often it rains, the deeper the hue. The riverâs basin was once the bottom of a glacial lake, Lake Agassiz, which covered the region 8,000 years ago.