Mugen Castle Model: Okawaso Ryokan

A traditional hot spring ryokan in Ashinomaki Onsen, Aizu, widely believed to be the model for Muzan Kibutsuji's Infinity Castle (Mugen-jo). The multi-level wooden interior with connecting bridges strikingly resembles the anime's depiction.

📺 Scene from the Anime

This traditional ryokan is widely believed to be the model for Muzan Kibutsuji's Infinity Castle. The multi-level wooden interior with its connecting bridges and traditional architecture strikingly resembles the Mugen-jo scenes in the anime.

Access

Nearest Station: Aizu-Wakamatsu Station then bus

JR Ban-etsu West Line to Aizu-Wakamatsu Station, then bus to Ashinomaki Onsen (40 min)

福島県会津若松市大戸町大字芦ノ牧

Recommended visit: 180 min

Visitor Tips