Het Nederlandse Smalspoorwegmuseum

The Dutch Narrow Gauge Railway Museum near Valkenburg (ZH) is run by volunteers. There are several steam locomotives and a couple of diesels. The workshop has interesting components in various states of (dis)repair. Visitors can go for (shortish) rides on both diesel and steam trains. It is nicely set up and is a pleasant destination for adults as well as children. These photos were taken in 2013. The museum has expanded since then and there are plans to extend the track considerably.
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The station
Preparing for a ride
Some nice old engineering