Dudinka (; Nenets: Тут'ын, Tutꜧyn) is a town on the Yenisei River and the administrative center of Taymyrsky Dolgano-Nenetsky District of Krasnoyarsk Krai, Russia. It used to be the administrative center of Taymyr Autonomous Okrug, which was merged into Krasnoyarsk Krai on January 1, 2007. Population: History It was founded in 1667 as a winter settlement connected to Mangazeya. In 1930 it was designated the administrative center of the Taimyr Dolgan-Nenets National Region. In 1935, the polar explorer Otto Schmidt recommended that the settlement be expanded into a town. By 1937, the port facilities and a railroad to Norilsk were completed. Town status was granted in 1951. Administrative and municipal status Within the framework of administrative divisions, Dudinka serves as the administrative center of Taymyrsky Dolgano-Nenetsky District. As an administrative division, it is, together with five rural localities, incorporated within Taymyrsky Dolgano-Nenetsky District as the district town of Dudinka. As a municipal division, the district town of Dudinka is incorporated within Taymyrsky Dolgano-Nenetsky Municipal District as Dudinka Urban Settlement. Economy Dudinka processes and sends cargo via Norilsk railway to the Norilsk Mining and Smelting Factory and also ships non-ferrous metals, coal and ore. In 1969, the Messoyakha-Dudinka-Norilsk natural gas pipeline was laid. Dudinka is a port in the lower reaches of the Yenisei River, accessible to seagoing ships. The town is served by the Dudinka Airport. Infrastructure Near Dudinka there is a tall radio mast which was formerly used for the CHAYKA radio navigation system. It is a grounded mast with a rhombic cage antenna. Climate Despite lying more than two degrees above the Arctic Circle, Dudinka has a subarctic climate (Köppen climate classification Dfc) with short, mild summers and severely cold winters. Average high temperature even in May is below freezing and short summer starts in mid June and lasts only 2 months. Precipitation is moderate; it falls mostly as rain in summer and mainly as snow throughout the rest of the year. Sports and entertainment The Taymyr ice arena is the newly built ice hockey, figure skating and curling facility in Dudinka. It is the northernmost ice arena in the world that is fit for holding high-level, international events. The spectators capacity of the arena is 350 seats. The 2017 CCT Arctic Cup took place in the city of Dudinka at the Taymyr ice arena on May 18–22, 2017. It was the first-ever international curling tournament among women