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最大的坝子——陆良坝子。云南面积在一平方公里以上的山间盆地共1440多个,共2.4万平方公里。其中面积在100平方公里以上的坝子49个,共计11705平方公里,占全省总面积的3%。最大的坝子是陆良坝子,面积771.99平方公里,高程1834米。最长的河流——金沙江。金沙江古称丽水,为长江上游,发源于青海青藏高原的唐古拉山脉中段,自古以盛产“金沙”得名。上游称通天河,从青海玉树县巴塘河口至四川宜宾岷江口叫金沙江,全长2308公里。宜宾以下称长江。经西藏于云南德钦县东北部德拉附近进入云南,在本省境内河长1560公里,集水面积109026平方公里,占全省总面积的28.5%。金沙江流至丽江石鼓突然来了一个大拐弯折向北流,形成著名的“长江第一湾”。江水切穿玉龙雪山和哈巴雪山,深切为坡陡谷深的大峡谷,是闻名的“虎跳涧”峡谷。
The biggest bazi - Lu Liang Bazi. Yunnan area of more than 1 square kilometers of mountain basin a total of more than 1440, a total of 24,000 square kilometers. 49 of which are Bazi with an area of more than 100 square kilometers, totaling 11,705 square kilometers, accounting for 3% of the total area of the province. The largest dam is Lu Liang Bazi, an area of 771.99 square kilometers, elevation 1834 meters. The longest river - the Jinsha River. The ancient Lishui Jinsha River, for the upper reaches of the Yangtze River, originated in Qinghai-Tibet Plateau Tanggula middle section, since ancient times to rich “Golden Sands” named. Upstream, said the Milky Way, from Yushu in Qinghai Batang estuary to Minjiang River in Yibin, Sichuan Province, Jinsha River, a total length of 2308 km. Yibin said Yangtze River below. After Tibet entered Yunnan in the northeast of Deqin County, Yunnan Province, it landed 15,400 km long in the province with a catchment area of 109,026 square kilometers, accounting for 28.5% of the total area of the province. Jinsha River flow to Lijiang Shigu suddenly came a big turn to the north bend, the formation of the famous “First Bay of the Yangtze River.” The river is cut through the Jade Dragon Snow Mountain and Haba Snow Mountain, deep into the deep valleys of steep valleys, and is famous for its “tiger jumped stream” valley.