Trouble on the road
The tourism board says four-fifths of Nepal's rain falls from June to September. Mustang itself lies in a rain shadow and stays dry.
When: June to September
Wikipedia describes this section of the Siddhartha Highway as rocky, with frequent rockfall that sometimes causes fatal accidents.
From en.wikipedia.org · dated 14 September 2026 · read 28 September 2026 · no rider has confirmed it
Wind blowing up the valley is strong enough to stop flights from Jomsom after about 11 in the morning.
From en.wikipedia.org · dated 27 September 2026 · read 28 September 2026 · no rider has confirmed it
Wikipedia lists the highway through Beni and Kagbeni as under construction since December 2018, with its completion status unclear.
From en.wikipedia.org · dated 9 April 2026 · read 28 September 2026 · no rider has confirmed it