| Opened | 1916 - 1933 | Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Wakayama | JR West: Hanwa, JR West: Wakayama, JR West: Kisei Hon, | 0.0 | Wakayama-shi | Wakayama |
| Map | Map | Idakiso | | 8.0 | Wakayama-shi | |
| Map | Map | Kishi | | 14.3 | Kinokawa-shi |
| Type | Origin - Major stops - Destination | Trains per day | Daytime frequency | Fastest train | Average speed |
|---|---|---|---|---|---|
| Local Futsū 普通 | Wakayama - Kishi | 34 | Every 30 min | 27 min | 32 km/h |
| Wakayama - Idakiso | 15 | 17 min | 28 km/h |
