| Box Width: | auto |
| Belgian railway line 49 | |
| Status: | Operational |
| Locale: | Belgium |
| Start: | Welkenraedt |
| Open: | Welkenraedt - Eupen: 1 March 1864 Eupen - Raeren: 3 August 1887 |
| Close: | Eupen - Raeren |
| Operator: | National Railway Company of Belgium |
| Linelength Km: | 14 |
| Tracks: | single track Welkenraedt - Eupen: 1 |
| Electrification: | none |
| Speed Km/H: | 89 |
| Map State: | collapsed |
Belgian railway line 49 connects Welkenraedt with Eupen. The line is approximately 8.7miles. In its early days the line also connected to Raeren.