曹渡河,又作槽渡河,位於中國貴州省南部和廣西壯族自治區北部,是牛河(六硐河)右岸支流,[1]發源於貴州省都勻市擺忙鄉爛木山,西北流入貴定縣境稱橫河,過貴定猴場堡鄉高坡稱翁樹河,至翁樹橋折向南,至窯上鄉雞羊寨以南左納剪刀河後稱老面河,向南進入平塘縣後又稱擺浪河,向南流經平里河峽谷,過西涼鄉拉安後又稱擺金河。曹渡河自抵問出平塘縣之後沿着黔桂邊界南流至貴州省羅甸縣大亭鄉雅里注入牛河。河長164千米,平均比降8‰,流域面積2079平方千米。曹渡河流域內岩溶地貌發育,河谷深切,河道比降大,急流險灘多,交通不便。[2]
參考資料
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