| Opened | 1909 - 1937 | Tracks | Double track | Toyohashi - Toyokawa | |
| Re-routed | 1955 | Chubū-Tenryū - Ōzore | Single track | Toyokawa - Tatsuno | |
| 1916 | Ina-Matsushima - Tatsuno |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Toyohashi | Toyotetsu: Atsumi [Shin-Toyohashi], Toyotetsu: Azumada Hon (Shinai) [Ekimae], JR Central: Tōkaidō Shinkansen, JR Central: Tōkaidō Hon (Atami - Maibara), Meitetsu: Nagoya Hon | 0.0 | Toyohashi-shi | Aichi |
| Map | Map | Toyokawa | Meitetsu: Toyokawa [Toyokawa-Inari] | 8.7 | Toyokawa-shi | |
| Map | Map | Nagayama | | 14.4 | Toyokawa-shi | |
| Map | Map | Shinshiro | | 21.6 | Shinshiro-shi | |
| Map | Map | Hon-Nagashino | | 32.1 | Shinshiro-shi | |
| Map | Map | Chūbu-Tenryū | | 62.4 | Hamamatsu-shi | Shizuoka |
| Map | Map | Misakubo | | 74.3 | Hamamatsu-shi | |
| Map | Map | Ōzore | | 80.8 | Hamamatsu-shi | |
| Map | Map | Hiraoka | | 93.8 | Tenryū-mura | Nagano |
| Map | Map | Tenryūkyō | | 116.2 | Iida-shi | |
| Map | Map | Iida | | 129.3 | Iida-shi | |
| Map | Map | Ina-Ōshima | | 143.1 | Matsukawa-machi | |
| Map | Map | Ina-Fukuoka | | 162.9 | Komagane-shi | |
| Map | Map | Komagane | | 165.6 | Komagane-shi | |
| Map | Map | Ina-shi | | 178.0 | Ina-shi | |
| Map | Map | Ina-Matsushima | | 187.1 | Minowa-machi | |
| Map | Map | Tatsuno | JR East: Chūō Hon (Tatsuno branch) | 195.7 | Tatsuno-machi |
| Type | Name | Origin - Major stops - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Limited Express Tokkyū 特急 | (Wide View) Inaji | Toyohashi - Iida | 2 | 2h29 | 52 km/h |
| Rapid Kaisoku 快速 | Misuzu みすず | Iida - Tatsuno - Okaya - Matsumoto - Nagano | 1 | 4h06 | 40 km/h |
| Komagane - Tatsuno - Okaya | 1 | 1h00 | 40 km/h | ||
| Local Futsū 普通 | Toyohashi - Tenryūkyō | 7 | 3h11 | 37 km/h | |
| Toyohashi - Misakubo | 2 | 2h10 | 34 km/h | ||
| Toyohashi - Chūbu-Tenryū | 3 | 1h44 | 36 km/h | ||
| Toyohashi - Hon-Nagashino | 8 | 50 min | 39 km/h | ||
| Toyohashi - Shinshino | 13 | 32 min | 41 km/h | ||
| Toyohashi - Nagayama | 1 | 24 min | 36 km/h | ||
| Toyohashi - Toyokawa | 31 | 12 min | 44 km/h | ||
| Chūbu-Tenryū - Komagane | 1 | 3h16 | 32 km/h | ||
| Chūbu-Tenryū - Iida | 1 | 2h02 | 33 km/h | ||
| Hiraoka - Ina-Matsushima | 1 | 3h18 | 28 km/h | ||
| Tenryūkyō - Tatsuno - Okaya - Chino | 1 | 3h31 | 30 km/h | ||
| Tenryūkyō - Tatsuno - Okaya - Kamisuwa | 3 | 3h01 | 32 km/h | ||
| Tenryūkyō - Tatsuno - Okaya | 5 | 2h35 | 34 km/h | ||
| Tenryūkyō - Tatsuno | 1 | 2h27 | 32 km/h | ||
| Tenryūkyō - Ina-Ōshima | 1 | 51 min | 32 km/h | ||
| Tenryūkyō - Iida | 4 | 24 min | 33 km/h | ||
| Iida - Tastuno - Okaya - Kamisuwa | 3 | 2h22 | 36 km/h | ||
| Iida - Tatsuno - Okaya | 1 | 2h18 | 33 km/h | ||
| Ina-Ōshima - Tatsuno - Okaya | 1 | 1h48 | 35 km/h | ||
| Komagane - Tatsuno - Okaya | 3 | 1h06 | 36 km/h | ||
| Misuzu | Tenryūkyō - Tatsuno - Okaya - Matsumoto - Nagano | 1 | 4h24 | 40 km/h |
