Kamisaibara, Okayama

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Kamisaibara (上齋原村; -son) is a village located at 35.280 N , 133.924 E in Tomata District, Okayama, Japan. In 2005, The towns of Okutsu and Kagamino and the villages of Kamisaibara and Tomi were merged to form the new town of Kagamino.

As of 2003 (before the merger), the village had an estimated population of 914 and a density of 10.10 persons per km². The total area was 90.49 km².

Kamisaibara is the site of the first discovery of an outcropping of uranium ore within Japan. After discovery, the Ningyo-toge Office of Atomic Fuel Corporation (now called the Ningyo-toge Environmental Engineering Center of the Japan Atomic Energy Agency) was built in 1957. The site has been involved in the "development of front-end technologies for the nuclear fuel cycle, namely, uranium exploration, uranium mining, refining, and enrichment."