"Traverso" train RABe 526 # 201/101 of the Südostbahn (SOB), built by StadlerRail, is running the "Treno Gottardo" Interregio 2323 of the line IR 26 from Basel via Olten-Lucerne-Arth Goldau-Gotthard mountain line-Bellinzona to Locarno, through the Wattinger curve between Gurtnellen and Wassen. In the background village and church of Wassen, and still snow covered Bälmeten and Chli Windgällen mountains.