The route from Rhenock to Lachen spans 155 km, traversing the heart of the Sikkim Himalayas. You will pass through the capital, Gangtok, and the town of Mangan before reaching the junction at Chungthang. From Chungthang, the road splits towards Lachen. The journey is characterized by steep climbs and dramatic river gorges. Expect a travel time of 7 to 8 hours due to the challenging road conditions.
Total Distance: 155 km driving distance, 90 km straight-line air distance.
Start your journey as early as 5 AM to avoid traffic and reach Lachen before sunset.
April to June and October to November for clear skies and access to Gurudongmar Lake.