| Opened | 1914-1931 |
| Tracks | Single track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Morioka | JR East: Akita Shinkansen | 0.0 | Morioka-shi | Iwate |
| Map | Map | Kōma | IGR: Iwate Ginga Tetsudō | 21.3 | Morioka-shi | Iwate |
| Map | Map | Ōbuke | | 30.3 | Hachimantai-shi | |
| Map | Map | Matsuo-Hachimantai | | 39.1 | Hachimantai-shi | |
| Map | Map | Arayashinmachi | | 58.9 | Hachimantai-shi | |
| Map | Map | Kazuno-Hanawa | | 91.0 | Kazuno-shi | Akita |
| Map | Map | Towada-minami | | 99.0 | Kazuno-shi | |
| Map | Map | Ōdate | JR East: Ōu Hon (Akita - Aomori) | 128.2 | Ōdate-shi |
| Type | Name | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Rapid Kaisoku 快速 | Hachimantai 八幡平 | Morioka - Ōdate | 1 | 2h40 | 48 km/h |
| Local Futsū 普通 | Morioka - Ōdate | 6 | 2h46 | 46 km/h | |
| Moriaka - Kazuno-Hanawa | 1 | 1h59 | 46 km/h | ||
| Morioka - Arayashinmachi | 1 | 1h14 | 48 km/h | ||
| Arayashinmachi - Ōdate | 1 | 1h33 | 45 km/h | ||
| Kazouno-Hanawa - Ōdate | 1 | 54 min | 41 km/h |
