The most important are, the alkaline springs of Carlsbad, Marienbad, Franzensbad and Bilin; the alkaline acidulated waters of Giesshiibel, largely used as table waters; the iron springs of Marienbad, Franzensbad and of Pyrawarth in Lower Austria; the bitter waters of Piillna, Saidschitz and Sedlitz; the saline waters of Ischl and of Aussee in Styria; the iodine waters of Hall in Upper Austria; the different waters of Gastein; and lastly the thermal waters of Teplitz-SchOnau, Johannisbad, and of Rcmerbad in Styria.
Communication with the Erzgebirge is provided by numerous lines of railway, some, such as that from Freiberg to Briix, that from Chemnitz to Komotau, and that from Zwickau to Carlsbad, crossing the range, while various local lines serve the higher valleys.
The tendency of Metternichs ~systern had long been growing distasteful to Castlereagh, who had consistently protested against the attempt to constitute the Grand Alliance general police of Europe and had specially protested against the Carlsbad Decrees (q.v.).
Franzensbad is frequently resorted to as an after-cure by patients from Carlsbad and Marienbad.
Among them are some of the most celebrated mineral springs in the world, such as Carlsbad, Marienbad, Franzensbad, Teplitz-Schtinau and Bilin.