ISCHL, a market-town and watering-place of Austria, in Upper Austria, 55 m. S.S.W. of Linz by rail. Pop. (1900) 9646. It is beautifully situated on the peninsula formed by the junction of the rivers Ischl and Traun and is surrounded by high mountains, presenting scenery of the finest description. To the S. is the Siriuskogl or Hundskogl (1960 ft.), and to the W. the Schafberg (5837 ft.), which is ascended from St Wolfgang by a rack-and-pinion railway, built in 1893. It possesses a fine parish church, built by Maria Theresa and renovated in 1877–1880, and the Imperial Villa is surrounded by a magnificent park. Ischl is one of the most fashionable spas of Europe, being the favourite summer residence of the Austrian Imperial family and of the Austrian nobility since 1822. It has saline and sulphureous drinking springs and numerous brine and brine-vapour baths. The brine used at Ischl contains about 25% of salt and there are also mud, sulphur and pine-cone baths. Ischl is situated at an altitude of 1533 ft. above sea-level and has a very mild climate. Its mean annual temperature is 49.4° F. and its mean summer temperature is 63.5° F. Ischl is an important centre of the salt industry and 4 m. to its W. is a celebrated salt mine, which has been worked as early as the 12th century.