Dudinka (Russian: Дуди́нка) is a town in Krasnoyarsk Krai, Russia. It was the administrative center of Taymyr Autonomous Okrug, which was merged into Krasnoyarsk Krai on January 1, 2007. It is a port in the lower reaches of the Yenisei River, accessible to sea-going ships. Dudinka was founded in 1667 as a winter settlement, and was granted town status in 1951. Dudinka is the birthplace of famous Russian poet Olga Martynova. Dudinka processes cargo for and sends it to the Norilsk Mining and Smelting Factory and ships non-ferrous metals, coal and ore. In 1969, the Messoyakha-Dudinka-Norilsk natural gas pipeline was laid. In 2001, Dudinka was declared a closed city, with travel restricted for foreigners, and travel permits required for Russian visitors, as well.