Summary: The Nyingchi-Bomi stretch of the Sichuan-Tibet line is stunning, linking Lulang, Tongmai, and Pailong through snow mountains, forest sea, and canyons. This guide covers roads, sights, and the current state of the Tongmai 'risk.'

  • Route Guides
  • Author: RoamFun Senior Travel Consultant
  • 8/13/2026

Nyingchi to Bomi Self-Driving (Tongmai-Lulang Section) Guide

Nyingchi to Bomi is one of the most beautiful stretches of the Sichuan-Tibet line (G318). Lulang's fields and forest sea, Tongmai's steep canyon, and Bomi's snow mountains and glaciers — endless snow-and-forest scenery along the way, a true "snowland gallery."

This guide covers the route, roads, and highlights.

🗺️ Route Overview

Nyingchi → Lulang → Tongmai → Pailong → Bomi, about 200 km.

Highlights along the way:

  • Lulang: fields and forest sea, the "Eastern Switzerland" (see the Lulang guide)
  • Tongmai: the former "Tongmai risk" — now with bridges and tunnels, much safer
  • Pailong: the Yarlung Tsangpo canyon section
  • Bomi: snow mountains and glaciers, famous for peach blossoms (spring)

🛣️ Roads & Driving

  • Overall: mostly paved, much improved from before
  • Tongmai section: the old "risk" now has bridges/tunnels, safer driving
  • Canyon sections: still many curves and cliff edges; control speed
  • Season: summer rains may cause landslides/mudflows; be cautious in the rainy season
  • Recommended: SUV is safer; bring emergency gear

🏔️ Sights Along the Way

  1. Lulang Forest Sea: forest and fields, misty
  2. Tongmai Bridge/risk: feel the "abyss turned to road," learn the line's history
  3. Parlung Tsangpo River: canyon rapids, grand
  4. Bomi glaciers/peach blossoms: spring blossoms, snow glaciers — Bomi's calling card

📅 Suggested Itinerary

  • Nyingchi → Bomi: about 4–6 hours (with stops), can be 1 day
  • Lodging: in Lulang or Bomi
  • Route: continue to Rawok, Baxoi (into/out of Tibet)

📌 Practical Tips

  1. Canyon sections curvy and cliff-edge; drive carefully, wear a seatbelt
  2. In the rainy season, check real-time road conditions for landslide closures
  3. Lulang stone-pot chicken is worth a meal
  4. Fuel stations are few; fill up whenever you see one
  5. Respect locals; protect the ecology

Nyingchi to Bomi is a "scenery all the way" snowland gallery. The Tongmai risk is history and roads keep improving. Slow down and take in the snow mountains, forest sea, and canyons.