About Ta Lien Son Peak
Ta Lien Son Peak, also known as Ta Leng or Co Trau Mountain, is a 2,996-meter peak in Ta Leng Commune, Tam Duong District, Lai Chau Province, northwestern Vietnam. Ranked as the sixth highest mountain in Vietnam, it is notable for its primeval forests, moss-covered ancient trees, rhododendron blooms, and panoramic cloud sea views. The peak attracts experienced trekkers seeking a challenging multi-day climb and pristine high-mountain landscapes.
Visitors guide
Visitors can expect a strenuous multi-day trek through dense primeval forest, bamboo groves, and moss-covered ancient trees to a rocky summit at 2,996 meters. The route passes streams, steep slopes, and campsites with views of sea of clouds, surrounding Hoang Lien Son range, and rhododendron forests in bloom season. There are no built structures at the summit, only natural viewpoints, forest trails, and camping areas. A local guide and porter support is typically required.
Key highlights
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Sixth highest peak in Vietnam at 2,996 meters elevation
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Primeval forest with ancient trees covered in moss and lichen
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Seasonal rhododendron blooms and diverse alpine flora
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Panoramic sea of clouds and views over Hoang Lien Son range
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Challenging trekking route from Ta Leng village to summit
Culture & Context
The area is home to H'Mong and Thai ethnic communities in Ta Leng Commune, with traditional villages, terraced fields, and forest-based livelihoods surrounding the trekking route.
Route
| By air | Fly to Noi Bai International Airport in Hanoi or Dien Bien Phu Airport, then continue by road to Tam Duong District |
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| By train | No direct rail access to Lai Chau; nearest railway connection is via Lao Cai Railway Station, then continue by road to Tam Duong |