Crescent Lake
Interesting facts
- Before it became Crescent Spring under the Qing dynasty, the lake was known by names including Wowo Pool, Sand Well and Medicine Spring.
- The lake is only about 150 metres long and 50 metres wide at its widest point.
- It has traditionally been counted among the Eight Views of Dunhuang, the town's canon of famous sights.
- Local lore names three treasures of the spring: iron-backed fish, seven-star grass and sand of five colours.
- The temple-like pavilions on its bank are modern: the Tinglei Pavilion was built in 1992 and the Yuquan Pavilion in 1997.
- The missionaries Mildred Cable and Francesca French visited in 1932 and described the lake in their book The Gobi Desert.
- In 1960 the lake still averaged four to five metres in depth, before its long decline began.
- Since 2015 the area has formed part of the Dunhuang UNESCO Global Geopark.
Why it is worth it
Crescent Lake has sat inside a sea of shifting sand dunes for at least two thousand years of recorded history without being swallowed by them, and the explanation is pure aerodynamics. The dunes rim the lake unevenly — higher to the north and south than east and west — which channels wind up and over the water rather than down into it, continuously sweeping sand past the lake instead of into it. The crescent shape and the lake's survival are really the same phenomenon, both products of exactly how the surrounding dune geometry redirects airflow.
No river feeds it. The lake survives on groundwater connected to a subterranean channel linked to the Dang River, whose ultimate source is glacier meltwater from the Qilian Mountains, far to the south — meaning a spring sitting in the middle of the Gobi's dune sea is, at the end of a long underground chain, fed by mountain ice.
That supply nearly failed. A reservoir built upstream on the Dang River in 1975 cut groundwater recharge so severely that by the late 1990s the lake had shrunk to under a meter deep and just 0.17 hectares — a puddle compared to its historic size. A state-funded recovery plan starting in 2011, built around twelve permeable dams designed to let water seep back into the aquifer rather than just flow past it, reversed the decline; by 2025 the lake had reached a two-decade high of 3.8 meters deep and 2.12 hectares. It's an unusual case of an 'ancient wonder' being healthiest not in some untouched past, but right now, because of deliberate engineering.
Good to know
The lake sits within the Mingsha ('Singing Sands') dune complex, a few kilometers from Dunhuang's Mogao Caves, a UNESCO World Heritage site of Silk Road Buddhist grottoes.
Best time to visit
Spring and autumn bring milder desert temperatures; the dunes are most photogenic near sunset, though the lake's own appearance is fairly stable year-round.
Getting there
9 km from Dunhuang. Dunhuang Mogao International Airport (DNH) is about 15 km away.
Plan your visit
We have no confirmed visit data yet. Once it is confirmed, this block also carries the date it was checked.
Nearby places
- Singing Sand Dunes 0.5 km · dune
- Mogao Caves 12.7 km · cave
On these lists
From the encyclopaedia
Yueyaquan is a crescent-shaped lake in an oasis in the Singing Sand Dunes, 6 km south of the city of Dunhuang in Gansu Province, China.
Wikipedia · CC BY-SA 4.0
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