# Akkadō

- **Country:** Japan
- **Depth:** 280 meters
- **Access:** public
- **Length:** 23,702 meters
- **Geology:** limestone
- **Location:** Iwaizumi, Iwate Prefecture, Japan
- **Other Name:** 安家洞
- **Photo Width:** 270px
- **Photo Caption:** Inside the Akkadō
- **Show Cave Length:** 700 meters

![Photo of Akkadō](https://upload.wikimedia.org/wikipedia/commons/b/b9/Akkado_SHINDEN.jpg)

**Source:** https://en.wikipedia.org/wiki/Akkadō (Wikipedia, CC BY-SA)