Iiyama Castle
| Iiyama Castle | |
|---|---|
飯山城 | |
| Iiyama, Nagano, Japan | |
Fragment of wall from Iiyama Castle | |
| Site information | |
| Type | hirayama-style Japanese castle |
| Controlled by | Uesugi clan, Honda clan |
| Condition | Ruins |
| Location | |
| Coordinates | 36°51′23″N 138°21′58.5″E / 36.85639°N 138.366250°E |
| Site history | |
| Built | Year Unknown |
| In use | until 1868 |
Iiyama Castle (飯山城, Iiyama-jō) was a hirayama-style Japanese castle located in what is now part of the city of Iiyama, Nagano prefecture. It was the headquarters for Iiyama Domain under the Edo period Tokugawa Shogunate and its ruins are now a public park.