Narrow-gauge railways in Italy
Most narrow-gauge railways in Italy were built with Italian metre gauge, which is actually because historically the Italian track gauge was defined from the centres of the rail instead of the internationally accepted method of measuring the gauge from the inside edges of the rails.
Several metre-gauge lines were built in northern Italy.
123 km gauge ; 1,290 km gauge ; 231 km gauge
1200 mm gauge
narrow-gauge railways in Italy are:1100 mm gauge
The temporary Mont Cenis Railway was gauge.Metre-gauge lines (1000 mm)
- Domodossola–Locarno railway between Domodossola, and Locarno, Switzerland.
- Ferrovia Genova–Casella in Genoa, Liguria.
- Laas-Lasa freight private railway to a marble cave, that uses a funicular.
- Mendel Funicular connecting the Überetsch plateau with the Mendel Pass.
- Trieste–Opicina tramway, with a funicular, in the city of Trieste.
- Rittnerbahn, or Ferrovia del Renon. in South Tyrol.
- Trento–Malè–Mezzana railway In Trentino only the lines from Trento to Malè and Mezzana are still operated by Trentino Trasporti. Project for extended to Fucine.
Italian metre-gauge lines (950 mm)
Mostly found in Southern ItalyCalabria
In Calabria there is the Cosenza–Catanzaro Lido railway, with a branch to San Giovanni in Fiore, and two lines from Gioia Tauro. All are owned by Ferrovie della Calabria.Naples area
- Circumvesuviana in the Eastern quadrant of the metropolitan area of Naples, connecting Naples and Sorrento, around the base of Mt. Vesuvius,
Rome
- The Rome–Giardinetti railway, in eastern Rome, still operates in 2025. It is the last operational segment of a much longer 950-mm gauge line, the Rome–Fiuggi–Alatri–Frosinone railway.
Sardinia
In Sardinia, a network of narrow-gauge lines was built, to complement the standard-gauge main network which covered the main cities and ports. The lines were:- Siliqua–San Giovanni Suergiu–Calasetta
- Iglesias–Monteponi–San Giovanni Suergiu
- Monteponi–Portovesme
- Cagliari–Mandas–Isili–Sorgono
- Mandas–Gairo–Arbatax
- Gairo–Jerzu
- Isili–Villamar–Villacidro
- Villamar–Ales
- Macomer–Bosa
- Macomer–Tirso–Nuoro
- Tirso–Ozieri
- Sassari–Alghero, Sassari–Sorso
- Sassari–Tempio Pausania–Luras–Palau
- Luras–Monti.
still carry regular passenger services, operated by Ferrovie della Sardegna. The others only operate a scenic tourist service known as Trenino Verde
In Sassari, the Sassari Tram-train is a 950mm-gauge tramway linking the railway station with the city centre.
Sicily
In Sicily, the Ferrovia Circumetnea railway runs around the Mount Etna. Other narrow-gauge lines of Ferrovie dello Stato operated, but are now closed. The last of which was the Castelvetrano–Porto Empedocle, closed in 1985.South-eastern Italy
In the Apulia and Basilicata regions, there are some railway lines connecting Bari, Potenza, Matera, and Avigliano. These are operated by Ferrovie Apulo Lucane.850 mm gauge line
- Menaggio–Porlezza railway in the northern Italian province of Como, closed in 1939.
Bosnian-gauge lines (760 mm)
- In Istria, a narrow-gauge railway line called Parenzana was built from Trieste – Capodistria now Koper Slovenia – to Parenzo now Poreč Croatia.
- Val Gardena Railway in the Dolomites of northern Italy, closed in 1960.