Ploučnice

Janův Důl (German: Johannesthal) is a municipality and village in Liberec District in the Liberec Region of the Czech Republic. It has about 200 inhabitants.

Rozstání is a town in the Liberec Region, Czech Republic.

Křižany (German: Kriesdorf) is a municipality and village in Liberec District in the Liberec Region of the Czech Republic. It has about 800 inhabitants.

Světlá pod Ještědem is a municipality and village in Liberec District in the Liberec Region of the Czech Republic. It has about 1,000 inhabitants.

Ještěd (Czech pronunciation: [ˈjɛʃcɛt]; German: Jeschken) is the highest mountain of the Ještěd–Kozákov Ridge in the north of the Czech Republic, at 1,012 m (3,320 ft). It is the symbol of the city of Liberec. On the summit is the Ještěd Tower restaurant, hotel and television tower, designed by Karel Hubáček, accessible by road or cable car (Ještěd cable car). The mountain also has a ski resort. From the summit there are views to Germany and Poland.

Ještěd Tower is a television transmitter on the top of Mount Ještěd near Liberec in the Czech Republic. It is 94 m (308 ft) high. It is made of reinforced concrete shaped in a hyperboloid form. The tower's architect is Karel Hubáček who was assisted by Zdeněk Patrman, involved in building statics, and by Otakar Binar, who designed the interior furnishing. It took the team three years to finalize the structure design (1963–1966). The construction itself took seven years to finish (1966–1973).The hyperboloid shape was chosen since it naturally extends the silhouette of the hill and, moreover, well resists the extreme climate conditions on the summit of Mount Ještěd. The design combines the operation of a mountain-top hotel and a television transmitter. The hotel and the restaurant are located in the lowest sections of the tower. Before the construction of the current hotel, two huts stood near the mountain summit: one was built in the middle of the 19th century and the other was added in the early 20th century. Both buildings had a wooden structure and both burned to the ground in the 1960s. The tower is one of the dominant features of the North Bohemian landscape. The gallery on the ground floor and the restaurant on the first floor offers views as far as to Poland and Germany. The tower has been on the list of the Czech cultural monuments since 1998, becoming a national cultural monument in 2006. In 2007 it was entered on the Tentative List of UNESCO World Heritage sites. In 1969 Karel Hubáček was awarded the prestigious Perret Prize of the International Union of Architects (UIA).

The Kryštofovo Údolí astronomical clock is an astronomical clock in Kryštofovo Údolí, Czech Republic. It is built in a former electrical substation. The project started in 2006, it was inaugurated on 20 September 2008, and completed in 2011. The clock's construction was directed by Martin Chaloupka.The clock has three dials, showing the time, the zodiac, and the lunar phase. It is driven by an electric motor.As the clock chimes the hour, the twelve apostles file past two doors at the top of the clock, as on the Prague astronomical clock.

Liberec Region (Czech: Liberecký kraj, German: Reichenberger Region, Polish: Kraj liberecki) is an administrative unit (Czech: kraj) of the Czech Republic, located in the northernmost part of its historical region of Bohemia. It is named after its capital Liberec. The region shares international borders with Germany and Poland. Domestically the region borders the Ústí nad Labem Region to the west, the Central Bohemian Region to the south and the Hradec Králové Region to the east.

Kryštofovo Údolí (German: Christofsgrund) is a municipality and village in Liberec District in the Liberec Region of the Czech Republic. It has about 400 inhabitants. The village is well preserved and is protected by law as a village monument zone.

Ještěd A is a ski jumping hill, located in Liberec, Czech Republic. FIS Nordic World Ski Championships 2009 was held there. The K-spot is located at 120 metres. The hill size is 134 m. Ještěd B is a ski jumping hill, located in Liberec, Czech Republic. FIS Nordic World Ski Championships 2009 was held there. The K-spot is located at 90 metres. The hill size is 100 m.

The Ještěd cable car is an aerial cable car service in the Czech Republic, linking Horní Hanychov in the city of Liberec with the summit of Ještěd mountain. The cable car is operated by Czech Railways. The cable car was opened in 1933, and was operated by Czechoslovak State Railways for most of its history. In the early 1970s the cable car was reconstructed. It was reopened in its current form in 1975. On 31 October 2021, a cabin crashed in an accident and one operator was killed, due to the brakes failing. A further fourteen had to be rescued from a second cable car by firefighters.The cable car usually operates on a daily basis according to a pre-set timetable but does not operate in adverse weather conditions. However since the crash in 2021 the system has been closed indefinitely.

Český Dub (German: Böhmisch Aicha) is a town in Liberec District in the Liberec Region of the Czech Republic. It has about 2,900 inhabitants. The historic town centre is well preserved and is protected by law as an urban monument zone.