The Principality of Liechtenstein is a European dwarf state. Liechtenstein is located in the Alps, between Switzerland and Austria. The country lies in the Rhine valley. The Rhine forms the natural western border with Switzerland. The lowest point in the country is Ruffeller Riet, which is 430 metres above sea level. The Grauspitz, with an altitude of 2599 metres, is the highest point in the country. Due to its location in the mountains, there is a continental climate with a high mountain climate on the mountain peaks. The winters are rather cool and in the mountains cold. Summers can be pleasant, but can sometimes be quite extreme. In July and August, the temperature can rise above thirty degrees, but in extreme cases it can also stay around ten degrees. On average, 22 to 25 degrees is pleasant in the Rhine Valley during the period from June to August.