<P> The area of Plitvice Lakes National Park extends across two political subdivisions or counties (Croatian županija). Its 296.85 square kilometres (114.61 sq mi) area is divided between Lika - Senj County (90.7 percent) and Karlovac County (9.3 percent). Hence the national park authority is under national jurisdiction . The overall water body area is about 2 km (0.77 sq mi). The two largest lakes, Prošćansko jezero and Kozjak, cover about 80 percent of the overall water body area . These lakes are also the deepest, with a depth of 37 and 47 metres (121 and 154 ft) respectively . On Lake Kozjak, low - noise and ecologically - friendly electric boats are being used . None of the other lakes in the park exceeds 25 metres (82 feet) in depth . The altitude drop from the first lake to the last is 133 metres (436 feet). </P> <P> The 16 lakes that can be seen from the surface are grouped into the 12 Upper Lakes (Gornja jezera) and the four Lower Lakes (Donja jezera). </P> <Table> <Tr> <Th> Lake </Th> <Th> altitude (m) </Th> <Th> area (ha) </Th> <Th> depth (m) </Th> <Th> Group </Th> </Tr> <Tr> <Td> Prošćansko jezero </Td> <Td> 636 </Td> <Td> 69.0 </Td> <Td> 37 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Ciginovac </Td> <Td> 625 </Td> <Td> 7.5 </Td> <Td> 11 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Okrugljak </Td> <Td> 613 </Td> <Td> 4.1 </Td> <Td> 15 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Batinovac </Td> <Td> 610 </Td> <Td> 1.5 </Td> <Td> 6 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Veliko jezero </Td> <Td> 607 </Td> <Td> 1.5 </Td> <Td> 8 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Malo jezero </Td> <Td> 605 </Td> <Td> 2.0 </Td> <Td> 10 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Vir </Td> <Td> 599 </Td> <Td> 0.6 </Td> <Td> 5 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Galovac </Td> <Td> 585 </Td> <Td> 12.5 </Td> <Td> 25 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Milinovo jezero </Td> <Td> 576 </Td> <Td> 1.0 </Td> <Td> </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Gradinsko jezero </Td> <Td> 553 </Td> <Td> 8.1 </Td> <Td> 10 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Buk </Td> <Td> 545 </Td> <Td> 0.1 </Td> <Td> </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Kozjak </Td> <Td> 535 </Td> <Td> 81.5 </Td> <Td> 47 </Td> <Td> Upper Lakes </Td> </Tr> <Tr> <Td> Milanovac </Td> <Td> 523 </Td> <Td> 3.2 </Td> <Td> 19 </Td> <Td> Lower Lakes </Td> </Tr> <Tr> <Td> Gavanovac </Td> <Td> 519 </Td> <Td> 1.0 </Td> <Td> 10 </Td> <Td> Lower Lakes </Td> </Tr> <Tr> <Td> Kaluđerovac </Td> <Td> 505 </Td> <Td> </Td> <Td> 13 </Td> <Td> Lower Lakes </Td> </Tr> <Tr> <Td> Novakovića brod </Td> <Td> 503 </Td> <Td> 0.4 </Td> <Td> 5 </Td> <Td> Lower Lakes </Td> </Tr> <Tr> <Td> Plitvice Lakes </Td> <Td> </Td> <Td> 217.0 </Td> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Lake </Th> <Th> altitude (m) </Th> <Th> area (ha) </Th> <Th> depth (m) </Th> <Th> Group </Th> </Tr>

Plitvice lakes national park is the largest park in this country