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Our guide
Oyama Castle, also known as Gion Castle, stood in what is now the city of Oyama, Tochigi. In 1991 its ruins were made a National Historic Site together with Nakakuki Castle and Washi Castle as the “Oyama clan castle ruins”.
Oyama Station is about 900 m away in a straight line. We have not checked what can be seen on the site today.
Written by japan-spots.com (2026-09-22) from the sources credited on this page. Distances are straight lines between map positions.
Photos
Photos from Wikimedia Commons, each under its own licence — see credits
- Oyama-jo.4 — Yoichi123 · Public domain · source · resized
- Oyama-jo.2 — Yoichi123 · Public domain · source · resized
- Oyam-jo.entrance.2 — Yoichi123 · Public domain · source · resized
- ShiroyamaKoen2005-6 — Kinori (uploader on Commons) · Public domain · source · resized
- Oyama-jo.1.entrance — Yoichi Takayama · Public domain · source · resized
- (栃木県) 小山城の城山公園。川沿いにあり、展望もよい。 - panoramio — Shift · CC BY-SA 3.0 · source · resized
What this place is
Oyama Castle (小山城, Oyama-jō) was a Japanese castle located in what is now the city of Oyama, Tochigi Prefecture, in the Kantō region of Japan. In 1991 the ruins were proclaimed a National Historic Site by the Japanese government collectively with Nakakuki Castle and Washi Castle as the "Oyama clan castle ruins". The castle is also known as Gion Castle (祇園城, Gion-jō)
Background text from Wikipedia (CC BY-SA 4.0)
What to expect at this type of place: Castle
Nearby station
Nearby station: Oyama (Mito Line), about 900 m from the spot in a straight line.
Worked out on 2026-09-14 from this place’s map position, using HeartRails Express station data and station names from Wikidata. The distance is a straight line, not a walking route, and says nothing about buses, transfers or timetables — plan the trip on Google Maps.
Traveler reviews
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