Economy of Hungary and the Tisza. The Danube also flows through parts of Germany, Austria, Slovakia, Serbia, and Romania. It is navigable within Hungary for 418 km. The Tisza River is navigable for 444 km in the country. Hungary has three major lakes. Lake Balaton, the largest, is 78 km long and from 3 to 14 km wide, with an area of 592 km. Lake Balaton is Central Europe's largest lake and a prosperous tourist spot and recreation area. Its shallow waters offer summer bathing and during the winter its frozen surface provides facilities for winter sports. Smaller bodies of water include Lake
Lake Inari 3,000 islands in total. Trout, lake salmon, Arctic char, white fish, grayling, perch and pike are found in Lake Inari. The lake covers . It empties northwards through the Paatsjoki at the mouth of the Varangerfjord, which is a bay of Barents Sea. Philip Pullman, author of the "His Dark Materials" book series, chose this lake to be the home of the witch Serafina Pekkala. The lake depression is a graben bounded by faults active in the Cenozoic. Lake Inari Lake Inari (, , , , , ) is the largest lake in Sápmi and the third-largest lake in Finland.