| Nishikawa | |
| Native Name Lang: | ja |
| Settlement Type: | Town |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 38.4265°N 140.1476°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tōhoku |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Yamagata |
| Subdivision Type3: | District |
| Subdivision Name3: | Nishimurayama |
| Leader Title: | Mayor |
| Area Total Km2: | 393.19 |
| Population Total: | 5225 |
| Population As Of: | February 2020 |
| Population Density Km2: | auto |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec1: | City Symbols |
| Blank1 Name Sec1: | - Tree |
| Blank1 Info Sec1: | Siebold’s Beech |
| Blank2 Name Sec1: | - Flower |
| Blank2 Info Sec1: | Lysichiton camtschatcensis Chrysanthemum |
| Blank3 Name Sec1: | - Animal |
| Blank3 Info Sec1: | Japanese serow |
| Blank4 Name Sec1: | -Fish |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 0237-74-2111 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 510 Kaishō, Nishikawa-machi, Nishimurayama-gun, Yamagata-ken 990-0792 |
| Blank2 Name Sec2: | Climate |
| Blank2 Info Sec2: | Dfb |
right|thumb|Sagae Dam Reservoir is a town located in Yamagata Prefecture, Japan., the town had an estimated population of 5,225 in 1851 households,[1] and a population density of 145.1 persons per km². The total area of the town is 393.19km².
Nishikawa is located in mountainous central Yamagata and includes Mount Gassan and Mount Asahi within its borders. The Sagae River passes through the town. Part of the town is within the borders of the Bandai-Asahi National Park.
Nishikawa has a Humid continental climate (Köppen climate classification Dfb) with large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. Precipitation is significant throughout the year, but is heaviest from August to October. The average annual temperature in Nishikawa is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in August, at around, and lowest in January, at around .
Per Japanese census data,[2] the population of Nishikawa peaked around 1950 and has declined considerably since then. It is now less than half what it was a century ago.
The area of present-day Nishikawa was part of ancient Dewa Province. After the start of the Meiji period, the area became part of Nishimurayama District, Yamagata Prefecture. The town of Nishikawa was established on October 1, 1954 by the merger of the villages of Kawadoi, Nishiyama, Hondōji and Ōisawa.
The economy of Nishikawa is based on seasonal tourism and forestry.
Nishikawa has one public elementary schools and one public middle school operated by the town government. The town does not have a high school.
Nishikawa is not served by any passenger rail service. The nearest station is Uzen-Takamatsu Station in the neighboring city of Sagae.
Frisco, Colorado, USA – since August 29, 1990