| Opened | 1888 | Maximum speed | 100 km/h |
| Tracks | Double track |
| Mapion | Major stations | Connecting lines | Km | City | Prefecture | |
| Map | Map | Karuizawa | JR East: Nagano Shinkansen | 0.0 | Karuizawa-machi | Nagano |
| Map | Map | Komoro | JR East: Koumi | 22.0 | Komoro-shi | |
| Map | Map | Tanaka | | 31.3 | Tōmi-shi | |
| Map | Map | Ueda | Ueda: Bessho, JR East: Nagano Shinkansen | 40.0 | Ueda-shi | |
| Map | Map | Togura | | 54.9 | Chikuma-shi | |
| Map | Map | Yashiro | Nagaden: Yashiro | 59.9 | Chikuma-shi | |
| Map | Map | Shinonoi | JR East: Shinetsu Hon (Shinonoi - Niigata), JR East: Shinonoi | 65.1 | Nagano-shi | |
| Map | Map | Nagano | | 74.4 | Nagano-shi | Nagano |
| Type | Name | Origin - Destination | Trains per day | Fastest train | Average speed |
|---|---|---|---|---|---|
| Rapid Kaisoku 快速 | Karuizawa - Nagano | 1 | 1h14 | 60 km/h | |
| Ueda - Nagano | 2 | 31 min | 67 km/h | ||
| Shinano Sunrise しなのサンライズ | Komoto - Nagano | 1 | 48 min | 66 km/h | |
| Local Futsū 普通 | Karuizawa - Nagano | 7 | 1h26 | 52 km/h | |
| Karuizawa - Komoro | 20 | 23 min | 57 km/h | ||
| Komoto - Nagano | 23 | 1h02 | 51 km/h | ||
| Komoto - Togura | 1 | 37 min | 53 km/h | ||
| Ueda - Nagano | 4 | 42 min | 49 km/h | ||
| Togura - Nagano | 5 | 25 min | 47 km/h |
