Virunga national park ( covering an area of 790 , 000 ha ) comprises an outstanding diversity of habitats , ranging from swamps and steppes to the snowfields of rwenzori at an altitude of over 5 , 000 m , and from lava plains to the savannahs on the slopes of volcanoes 维龙加国家公园占地79万公顷,地貌多种多样,包括从沼泽地、稀树干草原到海拔5000米以上的鲁文佐里雪山,从融岩平原到火山山坡处的大草原,不一而足。