Dieter Bertelsmann’s fabulous Hochschwarzwald model railway represents the Höllental Railway, or the Hell valley railway, which lies in the Black Forest in South Western Germany. The line runs between Freiburg and Donaueschingen. A branch line between Kappel-Gutachbrücke and Bonndorf, with a reversing station at Lenzkirch is also modeled. This has to be one of the finest model railways ever built and it ticks all my boxes – a model based on an actual prototype, built for operations with realistic scenery and structures and one which functions absolutely flawlessly…