Question: What south-eastern river that orginates from Mount Kosciuszko and has Brodribb River as a perennial river?

full_context: Document 1: Dart River (Victoria): The Dart River, a perennial river of the North-East Murray catchment of the Murray-Darling basin, is located in the alpine region of Victoria, Australia. It flows from the northwestern slopes of the Alpine National Park in the Australian Alps, south and joins with the Mitta Mitta River within Lake Dartmouth.
Document 2: Alpine National Park: The Alpine National Park is a national park located in the Central Highlands and Alpine regions of Victoria, Australia. The 646000 ha national park is located northeast of Melbourne. It is the largest National Park in Victoria, and covers much of the higher areas of the Great Dividing Range in Victoria, including Victoria's highest point, Mount Bogong at 1986 m and the associated subalpine woodland and grassland of the Bogong High Plains. The park's north-eastern boundary is along the border with New South Wales, where it abuts the Kosciuszko National Park. On 7 November 2008 the Alpine National Park was added to the Australian National Heritage List as one of eleven areas constituting the Australian Alps National Parks and Reserves.
Document 3: Blue Mountains National Park: The Blue Mountains National Park is a protected national park that is located in the Blue Mountains region of New South Wales, in eastern Australia. The 267954 ha national park is situated approximately 80 km west of Sydney, and the park boundary is quite irregular as it is broken up by roads, urban areas and inholdings. Despite the name 'mountains', the area is an uplifted plateau, dissected by a number of larger rivers. The highest point in the park is Mount Werong at 1215 m above sea level; while the low point is on the Nepean River at 20 m above sea level as it leaves the park.
Document 4: Australian south-east coast drainage division: The south-east coast drainage division is the very long, narrow area of southern Australia between the Great Dividing Range and the Coral and Tasman seas, Bass Strait and the . It includes the small part of south-eastern South Australia which lies to the east of the Murray-Darling Basin, and all of coastal Victoria and coastal New South Wales. While the southern, eastern, and western boundaries are clearly defined by geography, the northern boundary is arbitrarily defined as the New South Wales - Queensland border. The distinguishing feature of the drainage basin is the Great Dividing Range and the associated Australian Alps.
Document 5: Widden Brook: Widden Brook, a partly perennial stream of the Hunter River catchment, is located in the Hunter region of New South Wales, Australia.
Document 6: Mount Kosciuszko: Mount Kosciuszko is a mountain located on the Main Range of the Snowy Mountains in Kosciuszko National Park, part of the Australian Alps National Parks and Reserves, in New South Wales, Australia and is located west of Crackenback and close to Jindabyne.
Document 7: Big River (Mitta Mitta River, Victoria): The Big River, a perennial river of the North-East Murray catchment of the Murray-Darling basin, is located in the East Gippsland and alpine regions of Victoria, Australia. It flows from the northern slopes of Falls Creek in the Australian Alps, joining with the Cobungra River near Anglers Rest to form the Mitta Mitta River.
Document 8: Mitta Mitta River: Mitta Mitta River, a perennial river and a direct tributary of the Murray River within the Murray-Darling basin, is located in the alpine district of Victoria, Australia.
Document 9: Brodribb River: The Brodribb River is a perennial river of the Snowy River catchment, located in the East Gippsland region of the Australian state of Victoria.
Document 10: Goongerah, Victoria: Goongerah is a community on the Brodribb River, located in Gippsland, Australia, near Mount Ellery. The town's population is about sixty.
Document 11: Australian Alps Walking Track: The Australian Alps Walking Track is a long distance walking trail through the alpine areas of Victoria, New South Wales and ACT. It is 655 km long, starting at Walhalla, Victoria and running through to Tharwa, ACT near Canberra. The track weaves mainly through Australian national parks, such as Alpine National Park and Kosciuszko National Park, though it is not exclusively restricted to national parks. It ascends many peaks including Mount Kosciuszko, Mount Bogong, and Bimberi Peak, the highest points in N.S.W., Victoria, and the A.C.T. respectively. The AAWT crosses exposed high plains including the Victorian Bogong High Plains and the Main Range in NSW. To walk the whole trail can take between 5 and 8 weeks. Food drops or a support crew are necessary, as the trail passes through no towns, although it passes close to the ski resorts of Mt Hotham, Falls Creek, Mt Baw Baw, Thredbo, Charlotte Pass and Perisher.
Document 12: Little River (Snowy River National Park): The Little River is a perennial river of the Snowy River catchment, located in the Alpine region of the Australian state of Victoria. It is one of two rivers of the same name that are tributaries of the Snowy River, the other being the Little River (Kosciuszko National Park).
Document 13: Snowy Mountains: The Snowy Mountains, known informally as "The Snowies", is an IBRA subregion and the highest mountain range on the continent of mainland Australia. It contains the Australian mainland's highest mountain, Mount Kosciuszko, which reaches to a height of 2228 m above sea level. The range also contains the five highest peaks on the Australian mainland (including Mount Kosciuszko), all of which are above 2100 m . They are located in southern New South Wales and are part of the larger Australian Alps and Great Dividing Range. Unusual for Australia, the mountain range experiences large natural snowfalls every winter. Snow normally falls the most during June, July and early August. Therefore, most of the snow usually melts by late spring. The Tasmanian highlands makes up the other (major) alpine region present in Australia.
Document 14: Charlotte Pass, New South Wales: Charlotte Pass (often erroneously referred to as Charlotte's Pass), elevation 1837 m , is a location, snow resort and village in the Snowy Mountains of New South Wales, Australia. The pass is located in the Kosciuszko National Park where the Kosciuszko Road crosses Kangaroo Ridge. Charlotte Pass is the closest village to Mount Kosciuszko.
Document 15: Snowy River: The Snowy River is a major river in south-eastern Australia. It originates on the slopes of Mount Kosciuszko, Australia's highest mainland peak, draining the eastern slopes of the Snowy Mountains in New South Wales, before flowing through the Alpine National Park and the Snowy River National Park in Victoria and emptying into Bass Strait.
ground_truth: Snowy River