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Miyun Reservoir

Reservoir

Miyun Reservoir northeast of Beijing is the capital's largest water reservoir; day trippers visit for shoreline walks, fishing and nearby hiking routes in summer.

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In this guide

Miyun Reservoir essentials

Address: Miyun Reservoir (Miyun County), Beijing Municipality, China

About Miyun Reservoir

Miyun Reservoir is a large artificial lake in Miyun District of Beijing Municipality that functions as a principal water source for the city. It is the largest reservoir within the municipal water-supply system and is surrounded by hilly terrain.

The reservoir and its immediate surroundings are managed to protect drinking-water quality, and recreational activities are restricted in many areas for that reason. The shoreline and nearby hills offer scenic vistas and limited regulated recreation where allowed.

The reservoir was constructed in the 20th century to secure water resources for Beijing and has since been a key element in urban water planning and supply protection. Management emphasizes watershed protection and infrastructure maintenance.

Miyun Reservoir sits in Miyun District in the northeast sector of Beijing Municipality, in a landscape of reservoirs and rolling hills that lie outside the dense urban core.

  • Primary water source: Serves as the largest reservoir supplying Beijing and is an important component of the municipality’s water supply network.
When to Go

Best Time to Visit Miyun Reservoir

Spring and autumn are the most pleasant months to visit the reservoir and its scenic areas; summer can be hot and humid, winter cold with frozen shores.

Spring (Mar-May)
Mar-May · 8-22°C (46-72°F)
Clearer skies and pleasant temperatures for lakeside walks and photography.
Autumn (Sep-Nov)
Sep-Nov · 10-20°C (50-68°F)
Cooling temperatures and good air quality-popular for short excursions from Beijing.

Weather & Climate near Miyun Reservoir

Climate

Miyun Reservoir's climate is classified as Hot-Summer Continental (Dry Winter) - Hot-Summer Continental (Dry Winter) climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -12°C to 30°C. Semi-arid with limited rainfall with a pronounced dry season.

Air Quality: AQI 95 Moderate
Best Time to Visit
MaySeptemberApril
Temperature & Rainfall
Temperature Range
40°
Warmest Month
-24°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable -13° - -1° -10° 3 mm mostly sunny 56% 2.2 m/s 0.2 low 9.5h
February Good -9° - 3° -7° 3 mm some cloud 52% 2.4 m/s 0.4 low 10.5h
March Very Good -3° - 9° 1° 6 mm some cloud 46% 2.6 m/s 0.7 moderate 11.8h
April Excellent 6° - 19° 12° 13 mm partly cloudy 43% 3.0 m/s 1.2 high 13.1h
May Excellent 12° - 25° 18° 30 mm partly cloudy 43% 2.9 m/s 1.5 high 14.3h
June Very Good 17° - 29° 23° 66 mm partly cloudy 56% 2.5 m/s 1.5 high 14.8h
July Good 20° - 30° 25° 170 mm overcast 67% 1.9 m/s 1.5 high 14.6h
August Very Good 19° - 28° 24° 132 mm partly cloudy 69% 1.6 m/s 1.5 high 13.6h
September Excellent 13° - 25° 19° 46 mm partly cloudy 63% 1.7 m/s 1.1 high 12.3h
October Very Good 6° - 18° 12° 16 mm some cloud 59% 1.9 m/s 0.6 moderate 11.0h
November Very Good -2° - 9° 2° 4 mm mostly sunny 57% 1.8 m/s 0.3 low 9.8h
December Good -9° - 2° -6° 2 mm mostly sunny 57% 1.6 m/s 0.2 low 9.2h
Getting There & Around

How to Get to Miyun Reservoir

Miyun Reservoir is roughly 70-80 km northeast of central Beijing. It is typically reached by car via the Jingcheng Expressway (G45) and local roads into Miyun County; organized day tours from central Beijing are also common.

Tips for Visiting Miyun Reservoir

  • If visiting the scenic areas, reserve time for the reservoir's northern viewpoints-they offer better panoramas of the surrounding hills.
  • Boat access is controlled; check local regulations and any seasonal restrictions before planning water activities.
  • Bring insect repellent in summer-margins and reed beds can be mosquito-heavy.