Townapedia
Hiraoka power station
Hiraoka power station · photo: Qurren ( talk ) Taken with Canon IXY 10S, CC BY-SA 3.0
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio · ESU, CC BY 3.0
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio (5)
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio (5) · ESU, CC BY 3.0
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio (4)
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio (4) · ESU, CC BY 3.0
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio (1)
Hiraoka, Tenryu, Shimoina District, Nagano Prefecture 399-1201, Japan - panoramio (1) · ESU, CC BY 3.0
平岡発電所 - panoramio
平岡発電所 - panoramio · Yobito KAYANUMA, CC BY-SA 3.0

Mitsushima, Japan

満島俘虜収容所

Mitsushima is a town of 1,178 people in Nagano, Japan.

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Population1,178 GeoNames
Local name満島俘虜収容所
RegionNagano
Elevation530 m 1,739 ft
Time zoneAsia/Tokyo
Nearest airportShizuoka Airport (FSZ) 61 km

Why visit Mitsushima

Townapedia lists 4 museums and landmarks, 2 parks and trails, 1 place to stay and 2 attractions in and around town.

Highlights include Mitsujima Bansho.

About Mitsushima

Mitsushima, also known as Matsushima, Tokyo No. 2 Detached Camp, Tokyo #3B, and Tokyo 20, was a prisoner of war camp that provided labour to build the Hiraoka Dam on the Tenryū River in the Central Highlands in Japan.

From the Wikipedia article Mitsushima (this version), under CC BY-SA 4.0.

Things to do2

Shojin no Taki

Waterfall · 1.0 km

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Mt. Hakamagoshi

Scenic view · 1.5 km

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Museums and landmarks4

Mitsujima Bansho

Monument and historic site · 1.0 km

満島番所は、元和元年(1615年)大阪夏の陣以降、徳川幕府が遠山氏に命じて天竜川の旅人、荷物、主として川下げ木材を取り締まるために設置した川の番所(関所)で、現在もその面影を垣間見ることができます。

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Mitsujima Castle Ruin

Monument and historic site · 1.5 km

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Kanon-sama no Okaya

Monument and historic site · 0.9 km

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平岡ダム建設工事犠牲者火葬所跡

Monument and historic site · 1.0 km

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Parks, trails and playgrounds2

Mt. Kumabushi Tenryu Village Trailhead

Hiking and trails · 1.5 km

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ニセンジふれあい広場

Park · 2.4 km

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Where to stay1

Kamaya

Motel and hotel · 1.8 km

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Churches and places of worship1

Schools, colleges and libraries1

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Map of Mitsushima

11 places. The map loads OpenStreetMap tiles when you open it.

Getting there and nearby towns

Shizuoka Airport (FSZ) is the nearest airport with scheduled flights listed in OpenStreetMap, 61 km away.

  • Iida 28 km north, about 28 min by car
  • Yamabuki 35 km north, about 35 min by car
  • Nakatsugawa 40 km northwest, about 40 min by car
  • Ena 47 km northwest, about 47 min by car
  • Mori 49 km south, about 49 min by car
  • Komagane 51 km north, about 51 min by car
  • Hamakita 52 km south, about 52 min by car
  • Shinshiro 52 km southwest, about 52 min by car
  • Kakegawa 58 km south, about 58 min by car
  • Fujieda 58 km southeast, about 58 min by car

Drive times are estimates from straight-line distance, not routes.

Reviews, tips and questions

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Sources and licences

Photo credits

Page built November 5, 2026. Spotted a mistake? Tell us or suggest a place.