Tremo La: The Ultimate Road Trip Guide
Tremo La is an international high mountain pass at an elevation of 4.705m (15,436ft) above the sea level, located on the Tibet/Bhutan border. The area was closed to residents and foreigners in 1962.
The road to Tremo La (Forbidden Pass) is totally unpaved. Only the Chinese side (Yadong County in the Tibet Autonomous Region) is driveable. A 4x4 vehicle is required. It was an old trading route linking Tibet to Paro in West Bhutan.
The road to the summit is very steep, hitting a 16% of maximum gradient through some of the ramps. Starting at Phari or Pagri, the ascent is 4.6 km (2.85 miles) long. Over this distance the elevation gain is 376 meters. The average gradient is 8.17%.
Road suggested by: Hugh Wilson
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