Mont d'Or (Jura Mountains)

Vallorbe railway station (French: Gare de Vallorbe) is a station at the border of Switzerland and France on the TGV Lyria line between Paris and Lausanne. It is located at the south-eastern entrance of the tunnel which tunnels one of Jura's mountain ranges, Le Mont d’Or. The station serves the municipality of Vallorbe, in the Canton of Vaud, Switzerland. Opened in 1915, the station is the south-eastern terminus of the historic French Dijon–Vallorbe line, and the north-western terminus of the historic Swiss Simplon line (Vallorbe–Domodossola). It is also the terminal station of the hourly running, suburban train S2 to Lausanne and further to Palézieux. Finally, it is also a junction for the short line to the south-western end of the Vallée de Joux, also running on an hourly frequency and connects to the historic Chemin de fer Pont-Brassus between Le Pont and Le Brassus, which nowadays is owned by travys (Transports Vallée de Joux - Yverdon-les-Bains - Ste-Croix). The line between Vallorbe and Le Brassus is operated by CFF. The railway station (as well as the line between Vallorbe and Le Pont) is owned and operated by CFF. They are all part of the integrated mobilis (canton of Vaud) fare network. It is listed as a Swiss heritage site of national significance (class A).

Vallorbe (French pronunciation: [valɔʁb]) is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland.

The Le Day viaduct (viaduc du Day) is a railway viaduct in Vallorbe in the Jura-Nord vaudois District of the Swiss canton of Vaud. It stands near the hamlet of Le Day and crosses the Orbe. This has been dammed since 1955 by the Le Day dam (Le barrage du Day), which lies 450 m downstream. The double-track bridge is used by TGV Lyria services between Paris and Lausanne on the Lausanne–Vallorbe line of the RER Vaud (Réseau express régional vaudois) and the line from Vallorbe to Le Pont in the Vallée de Joux with its extension to Le Brassus.

The Dent de Vaulion is a mountain peak of the Swiss Jura, overlooking the lake of Joux and Vaulion in the canton of Vaud. A small ski resort is located on its slopes. The municipality of Vallorbe is located on the mountain's foothills.

Le Day railway station (French: Gare de Le Day) is a railway station in the municipality of Vallorbe, in the Swiss canton of Vaud. It is a Keilbahnhof, sitting at the junction of the standard gauge Simplon line of Swiss Federal Railways and Vallorbe–Le Brassus line of SBB and Travys.

Col du Mont d'Orzeires (el. 1060 m.) is a high mountain pass in the Jura Mountains in the canton of Vaud in Switzerland. The pass road runs on side road 152a from Le Pont (1008 m a.s.l.), a village in the municipality of L'Abbaye, northeast along lake Brenet, over the Col du Mont d'Orzeires, past Pierre Punex (1061 m a.s.l.) and continues to Chalêt du Mont d'Orzeires (1029 m a.s.l.), where the Juraparc animal park is located. After a few bends, the road runs from a height of 950 m a.s.l. to the east to La Dernier (764 m a.s.l.) and Vallorbe (749 m a.s.l.). The pass connects the Valle de Joux through the narrows between the Risoux range and the Dent de Vaulion (1483 m a.s.l.) with main road 9 near Vallorbe.

Vaulion is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland.

Ballaigues is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland.

Lac Brenet is a lake in the Vallée de Joux, canton of Vaud, Switzerland. It is located north of the Lac de Joux, only 200 metres away. Its elevation of 1002 metres is 2 metres below that of Lac de Joux. The lake used to drain naturally underground and the water resurfaced at the source of the Orbe River. Today the lake is used as a reservoir of the hydroelectric plant at Vallorbe.

Les Charbonnières is a part of Le Lieu, a commune located in the La Vallée district of the canton of Vaud, Switzerland.

Col du Mollendruz (el. 1180 m.) is a high mountain pass in the Jura Mountains in the canton of Vaud in Switzerland. It connects L'Isle and Les Charbonnières.

L'Abbaye is a municipality in the canton of Vaud, Switzerland, located in the Jura-Nord Vaudois district in the Vallée de Joux. It takes its name from Lac de Joux Abbey, a Premonstratensian monastery.