A practical English guide to Koga in Ibaraki: the river, the old centre and access from Tokyo and Oyama.
Operational details such as opening hours, admission fees, and train times can change. Prefer official pages and reconfirm before you travel (sources checked on 08 November 2026).
Why visit
- Koga is a city in western Ibaraki, on the Watarase river, and it has been a crossing place and a market town for centuries. It is a practical place of stations, shops and bridges, with the river and its embankments at the edge of the centre.
- The city is known for its old temple and shrine buildings and for the river landscape, and it is a good place to see the ordinary life of the Kanto plain. The Watarase and its paths are popular with walkers and cyclists, and the old roads run through the town towards Tochigi and Saitama.
- Koga is on the JR Utsunomiya line and the Tobu Nikko line, which makes it an easy stop from Tokyo and Oyama, and it is a low-key base for the western side of Ibaraki.
Top places and highlights
River and embankments
The Watarase river and its paths, good for walking.
Old centre
Temples, shrines and shops in the historic core.
Bridges
The crossings that made the town a meeting point.
Country roads
Routes west towards Tochigi and Saitama.
Food and drink
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Getting there and around
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Where to stay
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Best time to visit
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Practical tips
- The river rises after heavy rain; keep to the paths.
- Some temples are closed outside festival days.
- The town is small; check return train times.
Suggested day-trip outline
- Morning: train from Tokyo or Oyama.
- Late morning: the old centre and the temples.
- Lunch: soba or a local set meal.
- Afternoon: the river and the embankments.
- Late afternoon: a walk through the town.
- Evening: back to Tokyo or Oyama.
Before you go
Timetables, fares, admission fees, and seasonal access rules can change. Check the official tourism and transport sites linked below for the latest information before you travel.
Explore More of Japan
Published guides that pair with this one:
- Yuki Travel Guide: A Temple Town in Ibaraki
- Hanyu Travel Guide: Ancient Tombs and River Country in Saitama
- Kazo Travel Guide: River Country in Northern Saitama
- Ryugasaki Travel Guide: Canals and Temples in Ibaraki
- Sakura Travel Guide: A Castle Town in Chiba
Browse every Kanto guide on this site for the rest of the region.
Sources
- pref.ibaraki.jp (checked 2026-11-08)
- ibarakiguide.jp (checked 2026-11-08)
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