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Basum Tso

A forested alpine lake with an island monastery in the middle, unusually green for Tibet.

Updated 21 October 2026

Basum Tso

AI illustration

WhereTibet
Nearest cityNyingchi
Best seasonApril to October
Time to allowA day to overnight
Getting thereGongbo'gyamda county, Nyingchi prefecture; off the Sichuan-Tibet highway
EntryTicket charged

Basum Tso lies at about 3,700 metres in eastern Tibet, low enough and wet enough that the slopes around it carry conifer forest rather than bare grassland, which makes it look quite unlike the lakes of the central plateau. The water is deep green, snow peaks close the valley at the far end, and a small island near the middle holds Tsodzong, an old Nyingma monastery reached by a causeway or boat. A kora path runs around parts of the shore past prayer flags and old trees, and villages of timber houses sit in meadows along the water.

Highlights

  • The green lake - deep water ringed by conifer forest.
  • Tsodzong monastery - the small Nyingma temple on the island.
  • The snow peaks - mountains closing the head of the valley.
  • The shore kora - a walking circuit past prayer flags and villages.

When to go

April to October, with rhododendron and meadow flowers in late spring and colour in October; winter is cold and the road can be difficult. Cloud and rain are common in summer.

Things to know

Entry is charged and includes shuttle transport within the site. Foreign visitors need permits for Tibet arranged in advance. The lake is a standard stop on Sichuan-Tibet highway tours and busy in season.

Nearby

Nyingchi lies east; Lhasa is west along the highway.

Key facts

Local name巴松措 (Chinese)
Area26 km² (10 sq mi)
Length14 km (8.7 mi)
Location30.0142° N, 93.9503° E · map

Source: Wikidata, item Q2011572, read on 18 October 2026.

What to pack for Basum Tso

Chosen from what this place is for. Tap a kit for the full checklist.

  • Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
  • Warm base layers - Merino or synthetic against the skin - never cotton, which chills when damp. Find on Amazon
  • Layers for big temperature swings - Warm sun by day, near-freezing at night, even near the equator. Find on Amazon
  • Modest clothing - Shoulders and knees covered - the single most common requirement. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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