Main image

Juanli Sun CC BY-SA 4.0 Wikimedia Commons

Chomo Lonzo

Mountain

A high Himalayan peak near Makalu in Tibet, Chomo Lonzo draws mountaineers for steep, technical routes and offers distant high-altitude panoramas to expedition teams and mountain observers.

Chomo Lonzo Chéngguān QūLhokaNyingchiDoilungdêqênLhasaChomo Lonzo

Chomo Lonzo essentials

Country: China
Driest months: Apr-Jun
Pay in: Yuan Renminbi (¥)
Language: Chinese
Emergency: 110

Chomo Lonzo at a Glance

About Chomo Lonzo

Chomo Lonzo is a high mountain in the Himalaya located in the Tibet Autonomous Region of China. The peak rises above 7,000 meters and is part of the Mahalangur Himalaya subrange.

The mountain is known for steep faces and technical climbing routes rather than mass tourism, so it attracts experienced mountaineers and expedition teams. There are no developed visitor facilities on the mountain and access requires permits and high-altitude logistics.

Chomo Lonzo was mapped and named during Himalayan surveying and has been visited by climbing expeditions; it remains a challenging objective because of its elevation and technical terrain. It has several distinct summits and steep ridgelines used by climbers.

The peak lies north of the Nepal-China border in the Everest region of the Mahalangur Himalaya, north of Mount Everest. It is situated in a remote high-altitude landscape of glaciers and high mountain valleys.

  • Elevation: A high Himalayan peak whose summit exceeds 7,000 meters in elevation, forming part of the Mahalangur Himalaya in the Tibet Autonomous Region of China.

Tips for Visiting Chomo Lonzo

  • Chomo Lonzo is a remote Himalayan peak with no tourist infrastructure; plan any attempt to view or approach it as part of a high-altitude expedition that requires special permits, experienced local guides, and serious acclimatization.
  • For non-climbers seeking views, look for organized trekking routes and viewpoints in adjacent valleys from which the massif can be photographed at distance rather than attempting technical access to the mountain itself.
Things to Do
When to Go

Best Time to Visit Chomo Lonzo

High-altitude expeditions to Chomo Lonzo are typically attempted in the standard Himalayan spring or autumn windows (pre- and post-monsoon) due to better weather windows for climbing.

Pre-monsoon (spring climbing season)
Apr-May · very cold at altitude (well below freezing)
Standard Himalayan climbing window with more stable weather before the monsoon - commonly chosen by expeditions.
Post-monsoon (autumn climbing season)
Sep-Oct · very cold at altitude (well below freezing)
Another common expedition window with clearer skies after the monsoon; conditions are still extremely cold and technical.

Weather & Climate near Chomo Lonzo

Climate

Chomo Lonzo's climate is classified as Ice Cap - Ice Cap climate with freezing summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -29°C to -4°C. Semi-arid with limited rainfall with a pronounced dry season.

Air Quality: AQI 71 Moderate
Best Time to Visit
NovemberDecemberJanuary
Temperature & Rainfall
Temperature Range
14°
Warmest Month
-27°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -29° - -17° -35° 19 mm partly cloudy 54% 5.8 m/s 0.9 moderate 10.5h
February Poor -29° - -17° -36° 18 mm partly cloudy 59% 6.8 m/s 1.2 high 11.1h
March Poor -26° - -14° -33° 3 mm partly cloudy 65% 7.9 m/s 1.5 very high 11.9h
April Poor -22° - -12° -27° 0 mm overcast 68% 6.3 m/s 1.8 very high 12.7h
May Poor -18° - -8° -24° 2 mm overcast 72% 8.8 m/s 1.9 very high 13.4h
June Poor -13° - -5° -19° 2 mm overcast 77% 9.7 m/s 1.9 very high 13.7h
July Poor -11° - -4° -16° 78 mm overcast 83% 7.5 m/s 1.9 very high 13.6h
August Poor -12° - -4° -16° 73 mm overcast 85% 5.9 m/s 1.9 very high 13.0h
September Poor -14° - -6° -19° 38 mm overcast 82% 6.9 m/s 1.6 very high 12.2h
October Poor -19° - -10° -25° 26 mm partly cloudy 65% 7.0 m/s 1.5 high 11.4h
November Poor -25° - -14° -29° 3 mm partly cloudy 54% 4.8 m/s 1.1 high 10.7h
December Poor -27° - -15° -32° 21 mm some cloud 48% 5.7 m/s 0.9 moderate 10.3h