Ještěd is the highest mountain peak of the Ještěd-Kozákov Ridge near Liberec in the north of the Czech Republic. From the summit there are views into Germany and Poland. The Horní Hanychov region of Liberec lies just below the mountain.
On the summit is the Ještěd Tower restaurant, hotel and television tower, designed by Karel Hubáček, accessible by road or cable car.
The origin of the mountain's name is uncertain, it is probably from the term Ash mountain, a once dominant tree species in the area. The Czech name for the mountain was first recorded in 1545 as Jesstied . The German form of the name, Jeschke, was first mentioned in 1565.
In Jested there are two ski jumping hills, The World Championships 2009 were hosted there. The K-134 and the K-90. Roman Koudelka has the hill record in the K-134, with 143 metres. Anssi Koivuranta jumped 106,5 metres in the K-90, which is the hill record on this hill.