investments being done in projecting trails some of which involve rock engineering. In the Sudetes there are many spa towns with sanatoria. In many places the developed tourist base – hotels, guest houses, ski infrastructure. The nearest international airports are Dresden Airport in Dresden and Copernicus Airport in Wrocław. Notable towns Towns in this area with more than 10,000 inhabitants include: Poland Wałbrzych Jelenia Góra Świdnica Dzierżoniów Zgorzelec Bielawa Kłodzko Jawor Świebodzice Nowa Ruda Lubań Kamienna Góra Bogatynia Strzegom Boguszów-Gorce Ząbkowice Śląskie Kowary Głuchołazy Czech Republic Liberec Jablonec nad Nisou Trutnov Náchod Vrchlabí Šumperk Zábřeh Jeseník Krnov Bruntál Germany Dresden Görlitz Bautzen (Upper Sorbian: Budyšin) Zittau Radeberg Kamenz Löbau Neustadt in Sachsen Ebersbach-Neugersdorf Bischofswerda Gallery See also Mount Ślęża Main Sudetes Trail Książ Wambierzyce Kłodzko Fortress Srebrna Góra Chojnik Niesytno Castle Grüssau Abbey Izera railway Lower Silesian Voivodeship Tourism in Poland Crown of Polish Mountains Notes References External links Orographic map with Sudetes highlighted Orographic map with Sudetes highlighted Mountain ranges of Poland Mountain ranges of the Czech Republic Sudetenland Mountain ranges of Saxony Horsts (geology)