Introduction
The Uppsala - Lenna Jernväg (ULJ) is a preserved railway near Uppsala in Sweden.
The 891mm gauge railway is a preserved section of the once extensive Roslagen network, which originally opened in 1876, but was reduced in size during the 1960/1970s. Another section is still in operation, providing narrow gauge commuter services from Stockholm.
The ULJ (usually known as the ) operates along 33km of the former network. The name Lennakatten (Lenna Kat)
