| Lake Ōnuma | |
|---|---|
| 大沼 (Japanese) | |
 Ōnuma with Sōya Misaki Wind Farm behind | |
  Lake Ōnuma  Lake Ōnuma | |
| Location | Wakkanai, Hokkaidō |
| Coordinates | 45°22′50″N 141°45′34″E / 45.38045°N 141.75939°E |
| Primary outflows | Koetoi River |
| Surface area | 4.67 km2 (1.80 sq mi) (2018) |
Ōnuma (大沼) is a low-lying lake in Wakkanai, Hokkaidō, Japan. Its surface area of 4.67 km2 (1.80 sq mi) makes it, by this metric, the twentieth largest on the island. Located a short distance inland from Sōya Bay (宗谷湾), with the city centre to the west and Wakkanai Airport to the east, Ōnuma provides a resting point in the autumn for swans from Siberia on their way to their winter grounds, and again in spring upon their return.[1][2]
See also
Wikimedia Commons has media related to Onuma (Wakkanai).
References
- ↑ 付1 湖沼面積 [Appendix One: Lakes by Surface Area] (PDF) (in Japanese). Geospatial Information Authority of Japan. 1 October 2018. Archived from the original (PDF) on 9 June 2019. Retrieved 28 September 2019.
- ↑ 大沼野鳥観察館（大沼バードハウス） [Ōnuma Wild Bird Observatory (Ōnuma Bird House)] (in Japanese). Wakkanai City. Retrieved 28 September 2019.
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