Trouble on the road
The road along the Teesta was shut for six days in August 2025 after it collapsed near 9th Mile. Repeated slides slowed repairs.
When: June to September
The district website listed a landslide block at Chapten on this stretch. A blog warns of slides from Gangtok to Lachen in the rains.
From mangan.nic.in · dated 24 September 2026 · read 28 September 2026 · no rider has confirmed it
The district website listed the road beyond Zero Point as blocked by snow. The lake itself stays frozen from November to mid-May.
From en.wikipedia.org · dated 25 July 2026 · read 28 September 2026 · no rider has confirmed it
The district website listed this replacement road as cleared for light vehicles only.
From mangan.nic.in · dated 24 September 2026 · read 28 September 2026 · no rider has confirmed it