Piz Gannaretsch

Piz Vatgira (2,982 m (9,783 ft)) is a mountain of the Lepontine Alps and part of the extended Saint-Gotthard Massif, located south of Sedrun in the canton of Graubünden. The mountain lies between the valleys of Nalps and Medel, about halfway between Lai da Nalps and Lai da Sontga Maria. On its east side is a small glacier ending in the lake named Lai Verd (2,702 m). Piz Vatgira, or more precisely a lower 2,981 metre-high summit 350 metres south of the main summit, lies exactly above the Gotthard Base Tunnel, at its deepest point. The tunnel, the longest and deepest in the world, runs 2,450 metres (8,040 ft) below the ground. Piz Vatgira is the highest of the three main peaks above the base tunnel, the other two being the Chrüzlistock and Pizzo dell'Uomo.

Lai da Nalps is a reservoir in the municipality of Tujetsch, Grisons, Switzerland. It has a capacity of 45 million m³ and a surface area of 0.91 km². The reservoir is connected to Lai da Sontga Maria and Lai da Curnera in neighboring valleys.

Piz Pazzola is a mountain of the Swiss Lepontine Alps, situated near Sedrun in the canton of Graubünden. It lies on the range west of the Val Medel.

The Val Medel () is a righthand side valley of the Surselva valley in Graubünden, Switzerland. It is approximately 15 km (9.3 mi) long and stretches from Disentis (1,100 m (3,600 ft) above sea level) to the south, where it ends at Lai da Sontga Maria reservoir on Lukmanier Pass (906 m (2,972 ft) above sea level). There is a road through the valley and over Lukmanier Pass into Ticino. The lower 3 kilometers (1.9 mi) of the valley contains a narrow gorge, known as the Medelserschluch or Las Ruinas, which widens to the green and fertile Trog valley at the village of Curaglia.

Medel (Romansh pronunciation: [ˈmɛːdəl] ) is a municipality in the Surselva Region in the Swiss canton of Graubünden.

Piz Maler is a mountain of the Swiss Lepontine Alps, located south of Sedrun in the canton of Graubünden. It lies at the northern end of the range between Lai da Curnera and Lai da Nalps.

Porta Alpina (from Romansh: Alpine Gate) was a proposed railway station to be located in the middle of the Gotthard Base Tunnel, serving the Alpine village of Sedrun in Switzerland. It was intended to promote tourism and the economy in the region of Graubünden. The project was put on hold as uneconomical in 2007, and then indefinitely shelved in 2012. The current multifunction station is only used for emergency stops and maintenance. The portal lies 800 m (2,600 ft) above the tunnel.

Bugnei railway station (German: Bahnhof Bugnei) is a railway station in the municipality of Tujetsch, in the Swiss canton of Grisons. It is an intermediate stop on the 1,000 mm (3 ft 3+3⁄8 in) gauge Furka Oberalp line of the Matterhorn Gotthard Bahn.

Sedrun railway station is a metre gauge railway station serving the village of Sedrun, in the Canton of Graubünden, Switzerland. The station is at the eastern end of the Oberalp Pass. It forms part of the Furka Oberalp Bahn (FO), which connects Brig in Valais, via Andermatt in Uri, with Göschenen, Uri, and, via the Oberalp Pass, with Sedrun and Disentis/Mustér, Graubünden. Since 1 January 2003 (2003-01-01), the FO has been owned and operated by the Matterhorn Gotthard Bahn (MGB), following a merger between the FO and the Brig-Visp-Zermatt railway (BVZ).

Dieni railway station (German: Bahnhof Dieni) is a railway station in the municipality of Tujetsch, in the Swiss canton of Grisons. It is an intermediate stop on the 1,000 mm (3 ft 3+3⁄8 in) gauge Furka Oberalp line of the Matterhorn Gotthard Bahn.

Rueras railway station (German: Bahnhof Rueras) is a railway station in the municipality of Tujetsch, in the Swiss canton of Grisons. It is an intermediate stop on the 1,000 mm (3 ft 3+3⁄8 in) gauge Furka Oberalp line of the Matterhorn Gotthard Bahn.

Tujetsch (Romansh pronunciation: [ˈtujətʃ] ; German: Tavetsch) is a municipality in the Surselva Region in the canton of Graubünden in Switzerland. It is the westernmost municipality of the canton, connected to Urseren (canton of Uri) by the Oberalp Pass.