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The Kalgan River is a river in the Great Southern region of Western Australia. == Geography == The river is long and, along with the King River, drains into Oyster Harbour. The lower 9 km of the river take the form of a drowned river valley with steep hillsides of forest and farmland, and the occasional outcrop of granite .〔(【引用サイトリンク】title=About Australia: Kalgan River - Natural Attractions )〕 The river's source is west of the Stirling Ranges. It rises north-west of Kendenup and flows generally southwards until it reaches Oyster Harbour about 10 km north-east of Albany. The Kalgan River is the region’s fourth largest river in terms of average annual flow (53,400 megalitres), and has the third largest catchment area (2,562 km²). The upper reaches of the Kalgan River lie protected within the National Park. These tributaries are marginally saline to brackish, suggesting the levels of salinity are natural. The loss of catchment vegetation (66% of the catchment is cleared) has increased salinity levels downstream.〔(【引用サイトリンク】title=WA Planning Commission - Lower Great Southern Strategy Background Paper - Water Resources )〕 The lower section of the Kalgan River is tidal; a rockbar at the Upper Kalgan bridge separates the upper section from the tidal lower section. The tributaries of the Kalgan River include Napier Creek, Boonawarrup Creek, Young River, Stony Creek and Gaalgegup Creek. The river flows through two pools of note: Meriwarbelup Pool and Noorubup Pool. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kalgan River」の詳細全文を読む スポンサード リンク
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