"Bald mountain" has multiple meanings, Lysa Hora and Zamkova Hora hills in Kyiv, Ukraine. a traditional site of the witch gatherings.

Lysa Hora; is a large wooded hill in the Ukrainian capital Kyiv, near the confluence of the Dnipro and Lybid' rivers. The hill is now a nature reserve included in the Kyiv Fortress museum. The mount supposedly takes its name from the fact that its top was not covered by trees. Wikipedia

According to the Slavic legends, the Lysa Hora hill is the largest and most famous location of the mystical "bald mountain"^{[citation needed]} — a traditional site of the witch gatherings. Particularly, it is asserted in the works of the Ukrainian writer Nikolai Gogol.

"Bald mountain" has multiple meanings, including:

• A mountain summit covered in grasses or shrubs

  A bald mountain is a mountain summit or crest covered in thick native grasses or shrubs, often in areas where heavy forest growth is expected. The term is commonly used in English place names for barren hills and mountains. 
• A location in Slavic folklore

  In Slavic folk mythology, a bald mountain is a place where witches gather for the Witches' Sabbath. Notable bald mountains in Slavic folklore include Łysa Góra in Poland and Lysa Hora and Zamkova Hora hills in Kyiv, Ukraine. 
• The name of a mountain in Colorado

  Bald Mountain is a 13,690-foot (4,173 m) mountain in the Front Range of the Rocky Mountains in Summit County, Colorado. 
• The name of an orchestral piece

  A Night on Bald Mountain is a tone poem composed by Modest Mussorgsky in 1867. The piece is about a witches' Sabbath that takes place on St. John's Eve. 
• The name of a mountain range in Tennessee and North Carolina

  The Bald Mountains are a mountain range in Tennessee and North Carolina that get their name from the grassy balds on the summits. 
• The name of a mountain in an NBC miniseries

  In the NBC miniseries, 10.5: Apocalypse, Bald Mountain is an extinct volcano that erupts and buries nearby towns.