Railway museum with an extensive collection of 600 mm narrow gauge passenger railcars. The ÖSlJ operates traffic on two different lines:
- Traffic with steam on the 600 mm narrow-gauge line with locomotives and carriages dating from the period 1890-1925 between Mariefred and Läggesta junction, circa 4 km.
- The line from Läggesta and Taxinge-Näsby, circa 7 km, was relayed as narrow-gauge and re-opened in November 2011 giving a total round trip of 22km around the lake shore.
Wikipedia page: http://en.wikipedia.org/wiki/Ostra_Sodermanlands_Jarnvag
Official website: http://www.oslj.nu/welcome/