| State | Installations |
|---|
| Baden-Württemberg |
- 0.7 km, operating
- 0.2 km, operating
- 1.5 km, a peat Feldbahn, operating
- 2.7 km, a park railway, operating
- ~1.2 km, open-air museum, operating
|
| Bavaria |
- 12 km, defunct
- 6.6 km, defunct
- 2 km, defunct
- 100 km, defunct
- 14.5 km, defunct
|
| Berlin |
- 7.50 km, operating
- 5.0 km, operating
|
| Brandenburg |
- 3.20 km, operating
|
| Hesse |
- former standard-gauge railway, partly relaid as a museum railway Feldbahn, operating
- 1.6 km, operating
- Bebra narrow gauge railway museum
- operating
- 2.5 km, operating
- 1.5 km, operating
- 1.5 km, defunct
- 4 km, defunct
- 4.4 km, defunct
- operating
- 6.5 km, operating
|
| Lower Saxony |
- operating
- 0.9 km, Feldbahn, defunct
- operating
- 0.6 km, goods traffic from 1949 to 1985, defunct
- 6.9 km, defunct
|
| Mecklenburg-Vorpommern |
- 32.6 km, defunct
- 250 km, defunct
- 2 km, defunct
|
| North Rhine-Westphalia |
- 1.5 km, operating
- defunct
- 1 km, operating
- 3.3 km, operating
- 2 km, operating
- 2.7 km, operating
- 17 km, defunct
|
| Rhineland-Palatinate |
- operating
- 14.5 km, defunct
|
| Saarland |
- 2 km, operating
|
| Saxony |
- a park railway, operating
- a park railway, operating
- 1 km, a park railway, operating
- a park railway, operating
- 50 km, a forest railway, part operating
- regauged to standard gauge, defunct
|
| Saxony-Anhalt |
- 2 km, operating
- operating
- horse-drawn railway, 11.5 km, defunct
- 2.2 km, defunct
- 7 km, Feldbahn, defunct
- Feldbahn, a part survives as the Museumsfeldbahn Schlanstedt, operating
|
| Schleswig-Holstein |
- 6 km, operating
- 28 km, defunct
- 3.5 km, operating
- 17 km, converted to standard gauge, operating
|
| Thuringia |
- 11.5 km, defunct
- 0.8 km, operating
- 6 km, defunct
| |
