The line runs from a three-track station to an engine shed, where historical rolling stock is exhibited, and in the other direction over a crossing to a loop in the forest.

From 1972 onwards, initially only 500 metres long Decauville tracks were laid there, which had previously been salvaged at the Passeneaud company in Mondoubleau.

At the beginning of the 1980s, the narrow-gauge railway was extended and a depot and museum for the growing collection of historic rail vehicles was built.

[2] A unique exhibit is the crane bridges from the foundry in Saint-Pavin-des-Champs(fr) near Le Mans, which were originally built in 1850.

The Muséotrain with 40 seats per train will run daily from 5 July to 30 August 2020 and then on Sundays from 1 to 27 September 2020.