About the sudetes
The Sudetes /su??di?ti?z/ are a mountain range in Central Europe, also known in English (from their names in German and Czech/Polish) as the Sudeten or Sudety mountains.
The range stretches from eastern Germany along the northern border of the Czech Republic to south-western Poland. The highest peak of the range is Sněžka (Polish: Śnieżka) in the Krkonoše (Polish: Karkonosze) mountains on the Czech Republic?Poland border, which is 1,603 metres (5,259 ft) in elevation. The current geomorphological unit in the Czech part of the mountain range is Krkonošsko-jesenická subprovincie ("Krkonoše-Jeseníky"). From the Carpathian Mountains separated Moravian Gate.
The Krkonoše Mountains (also called the Giant Mountains) have experienced growing tourism for winter sports during the past ten years. Their skiing resorts are becoming a budget alternative to the Alps.
Źródło: https://en.wikipedia.org/wiki/Sudetes
Cheap tourist trips carried on in Poland
Tourist trips carried on in Poland can be very cheap, provided that tourists show the ingenuity and cleverness in the process of selecting the place where you want to go and they can rent cheap accommodation. In summer you will be able to stay in the cabins and spend time hiking and fishing. Also travel agencies that deal with the organization of various travel during the summer months offer the advantage of promotional prices stay at their centers supported. Other ways to reduce travel costs can be access using your own car and buy their own lunches, which will replace breakfast or dinner eaten in restaurants.
About one of the biggest polish castle
Książ (German: Schloss Fürstenstein) is a castle in Wałbrzych in Lower Silesian Voivodeship, Poland. It was built in 1288-1292 under Bolko I the Strict. It lies within a protected area called Książ Landscape Park, overlooks the Pełcznica River and is one of the city's main tourist attractions.
he original fortification was destroyed in the year 1263 by Ottokar II of Bohemia. Bolko I, Duke of Świdnica and Jawor built a new castle between 1288 and 1292. Duke Bolko II of Świdnica died in 1368 without having children with his wife Agnes von Habsburg. After her death in the year 1392 King Wenceslaus IV of Bohemia obtained the castle. In 1401 Janko from Chociemice obtained the castle. The Bohemian Hussites occupied the castle between 1428-1429. In the year 1464 Birka from Nasiedla obtained the castle from the Bohemian crown. He sold it to Hans von Schellendorf. This second castle was destroyed in 1482 by Georg von Stein. In the year 1509 Konrad I von Hoberg (from 1714: Hochberg) obtained the castle hill. The Hochberg family owned the castle until the 1940s.
Źródło: https://en.wikipedia.org/wiki/Ksi%C4%85%C5%BC