Question: Alpnachstad railway station is the lower terminus of the mountain railway in what country?
Sentence (from "Pilatus Railway"): The line runs from Alpnachstad, on Lake Lucerne, to a terminus near the Esel summit of Pilatus at an altitude of 2073 m , which makes it the highest railway in Obwalden and the second highest in Central Switzerland after the Furka line.
Relevant evidence: No