Coloured lantern slide of a view of the Reichenbach Falls. Rosenlaui is the highest settlement in the alpine valley of Reichenbachtal with its water, the Reichenbach, forming the Reichenbach Falls before joining the Aare at Meiringen. The Falls have a total drop of 250 metres and are known worldwide as the setting where Sir Arthur Conan Doyle's hero, Sherlock Holmes, fights to the death with his archnemesis.. Slide number 25 of Box 181 entitled 'Swiss No.1'.