Qualla: Erhai Lake

Erhai Lake: Introduction

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Brücke-Osteuropa, Public domain. On Erhai Lake, a Bai fisherman stands in a narrow wooden boat and loosens the ring around his cormorant's throat. The bird plunges, surfaces with a fish too large to swallow past the ring, and delivers it to the man's waiting hand. This partnership between human and bird has played out on these waters for generations, one of the most ancient fishing techniques still practiced anywhere. Erhai itself sits at 1,972 meters above sea level in Yunnan province, 40 kilometers long and 7 kilometers wide, sandwiched between the soaring Cang Mountains to the west and the rooftops of Dali to the east. Its name has wandered through centuries of linguistic evolution, from the Bai word for "lower water" through a series of Chinese character substitutions to the modern name that has stuck.

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Image: Brücke-Osteuropa | Public domain

Erhai Lake: A Lake Between Kingdoms

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Mx. Granger, CC0. Erhai has been central to the civilizations that rose and fell along its shores. During the Tang dynasty, the Nanzhao Kingdom used the lake as a royal deer ranch, an expanse of water so valued that it served dual purposes as both food source and aristocratic preserve. The lake wa...

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Image: Mx. Granger | CC0

Erhai Lake: The Geography of a Sandwich

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Jason Zhang, CC BY-SA 3.0. Dali Town occupies one of the more dramatic settings in China: pressed between the Cang Mountains rising sharply to the west and Erhai Lake stretching to the east, the city exists in a narrow corridor where mountain meets water. The lake receives its water from the Miju and Mici ...

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Image: Jason Zhang | CC BY-SA 3.0

Erhai Lake: Vanishing Fish

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Tdxiang at English Wikipedia, CC BY-SA 3.0. Erhai once harbored extraordinary aquatic biodiversity. Of 23 fish species and subspecies recorded in the lake, 8 were found nowhere else on earth. The roster of endemics reads like a quiet roll call of loss: Cyprinus daliensis, Cyprinus megalophthalmus, Paracobitis erhaiensis, a...

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Image: Tdxiang at English Wikipedia | CC BY-SA 3.0

Erhai Lake: Islands and Butterfly Springs

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Fong Chen, CC BY-SA 3.0. Scattered across Erhai's surface are islands that have drawn visitors for centuries. Guanyin Ge, Jinsuo Island, Nanzhao Folklore Island, and tiny Xiaoputuo Island each offer a different perspective on the lake and its cultural layers. On the western bank, Butterfly Springs draws ...

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Image: Fong Chen | CC BY-SA 3.0