The Kaczawskie Mountains or Katzbach Mountains (Polish: Góry Kaczawskie; German: Katzbachgebirge) are a mountain range in the Lower Silesian Voivodeship of Poland. It is roughly 30 kilometres long and belongs to the Western Sudetes. Its highest peak is the Skopiec (719 m). To the north of the Kaczawskie Mountains are the Kaczawskie Foothills (Polish: Pogórze Kaczawskie; German: Bober-Katzbach-Vorgebirge).