Gulbenes - Alūksnes Bānītis The narrow-gauge railroad (750 mm) line Stukmaņi (Pļaviņas)–Gulbene–Alūksne–Valka was built in the early 20th century. And nowadays a 33 km railroad section is still preserved and operated: Gulbene–Alūksne–Gulbene is the only narrow-gauge commercial train in Latvia.