Alpnachstad PB railway station

The Pilatus Railway (German: Pilatusbahn, PB) is a mountain railway in Switzerland and the steepest rack railway in the world, with a maximum gradient of 48% and an average gradient of 35%. The line runs from Alpnachstad, on Lake Alpnach, to a terminus near the Esel summit of Pilatus at an elevation of 2,073 m (6,801 ft), which makes it the highest railway in the canton of Obwalden and the second highest in Central Switzerland after the Furka line. At Alpnachstad, the Pilatus Railway connects with steamers on Lake Lucerne and with trains on the Brünigbahn line of Zentralbahn.

Alpnachstad railway station is a Swiss railway station in the municipality of Alpnach in the canton of Obwalden. It is on the Brünig line, owned by the Zentralbahn, that links Lucerne and Interlaken. Alpnachstad PB railway station, the lower terminus of the Pilatus Railway, a rack railway that ascends to the summit of Pilatus, is located across the street.Alpnachstad station is one of two Zentralbahn stations to serve Alpnach, the other being Alpnach Dorf, which is on the Brünig line some 1.5 kilometres (0.93 mi) to the south, and nearer the centre of Alpnach.

Alpnach Dorf railway station is a Swiss railway station in the municipality of Alpnach in the canton of Obwalden. It is on the Brünig line, owned by the Zentralbahn, that links Lucerne and Interlaken.Alpnach Dorf station is one of two stations to serve Alpnach, the other being Alpnachstad, which is on the Brünig line some 1.5 kilometres (0.93 mi) to the north.

The Air Base Alpnach (ICAO code LSMA) is a Swiss Air Force airfield near the town Alpnach in Canton of Obwalden in Switzerland. It has a concrete runway with a length of 1,500 meters (4,900 ft) and a width of 40 meters (130 ft), as well as several taxiways and hangars.

The Sarner Aa is a 28 km (17 mi) long river in the Swiss canton of Obwalden. It drains the area to the eastern side of the Brünig Pass, flowing through the Lake Lungern, Lake Sarnen and the Wichelsee, before entering Lake Lucerne near Alpnach. It goes by several names over its length, being known as the Lauibach upstream of the Lungerersee, and the Aa or Aawasser between the Lungerersee and Lake Sarnen.Along its length, the Sarner Aa flows through or near the settlements of Lungern, Giswil, Sachseln, Sarnen, Kerns and Alpnach.The Brünig railway line follows the valley of the Sarner Aa in its descent from the Brünig Pass towards Lucerne.

Alpnach is a village in the canton of Obwalden in Switzerland. It comprises the villages of Alpnach Dorf, Alpnachstad and Schoried.

Hergiswil is a municipality in the canton of Nidwalden in Switzerland.

The Rengg Pass (locally known as Ränggpass) is a walking trail mountain pass in Switzerland, between Hergiswil in the canton of Nidwalden and Alpnach in the canton of Obwalden. It crosses the ridge running eastwards from the Pilatus towards Stanstaad. It was the site of the Stecklikrieg battle on 28 August 1802, where insurgent Nidwaldeners defeated Swiss central government troops.

The Lopper Road Tunnel is a tunnel in central Switzerland. The tunnel connects Hergiswil in the canton of Nidwalden with Alpnach in the canton of Obwalden, and forms part of the A8 motorway. The tunnel was opened in 1984, and is 1,590 metres (5,220 ft) long. The tunnel has two lanes (one in each direction), and there is no central reservation. The tunnel runs under the Lopper, a shoulder of Mount Pilatus which extends into Lake Lucerne.The northern portal of the Lopper Tunnel is near to that of the Kirchenwald Tunnel on the A2 motorway, and most of the junction between the two motorways lies to the north of their respective portals. However the link for westbound traffic from the A2 to the A8 utilises a 350 metres (1,150 ft) long single-lane link tunnel within the mountain between the two main motorway tunnels.The Lopper I railway tunnel, on the Zentralbahn Brünig line, parallels the Lopper road tunnel. The Lopper II railway tunnel, on the Zentralbahn Luzern–Stans–Engelberg line, parallels the Kirchenwald road tunnel.

Wichelsee is a lake in Obwalden, Switzerland. Its surface area is 22 ha (54 acres). The reservoir is located in the municipalities of Alpnach and Sarnen. It formed after the Sarner Aa was dammed in 1955. The area around the lake was protected in 2005.

Mueterschwanderberg (also Mueterschwandenberg) is a ridge forming the southern shore of Alpnachersee, just northwest of Stanserhorn and west of the village of Ennetmoos, Nidwalden, Switzerland. Its peak is at an elevation of 860 m (some 425 m above the lake surface). The peak is known as Drachenflue (Drachenfluh), with the Drachenloch cave nearby, named for the dragon which according to legend was slain here by Heinrich von Winkelried. Mueterschwanderberg is known for the historical artillery fortress built into the mountain, constructed during the Second World War, during 1941 to 1944. Mueterschwanderberg was the largest such fortress in Switzerland. It remained in service throughout the Cold War period. Its decommission was decided in 1998, and it was dismantled in 2007.

The Lopper I Rail Tunnel is a railway tunnel in central Switzerland. The tunnel connects Hergiswil in the canton of Nidwalden with Alpnach in the canton of Obwalden. It forms part of the Zentralbahn Brünig line, which links Lucerne with Interlaken and the Bernese Oberland, between Hergiswil station and Alpnachstad station. It is 1,186 metres (3,891 ft) in length, and carries metre gauge (1,000 mm or 3 ft 3+3⁄8 in) track electrified at 11 kV AC 16 2/3 Hz using overhead catenary. The tunnel runs under the Lopper, a shoulder of Mount Pilatus which extends into Lake Lucerne.The Lopper I Tunnel is paralleled by the Lopper road tunnel, carrying the A8 motorway. The nearby Lopper II Tunnel is a rail tunnel on the Zentralbahn Luzern–Stans–Engelberg line, the two rail lines joining at Hergiswil station.