Praděd (Czech pronunciation: [ˈpraɟɛt]; German: Altvater; Polish: Pradziad; "Grandfather") (1,491.5 metres) is the highest mountain of Hrubý Jeseník mountains, Czech Silesia and Upper Silesia and is fifth highest mountain of Czech Republic. The average annual temperature is about 1°C. A television transmitter is situated on the top, 162 m high. The upper platform is used as a watchtower.