Sikkim High Passes · 27.2519° N, 88.7819° E

Zuluk (Old Silk Route)

32 Hairpin Switchbacks to Thambi View Point & Nathang Valley

Once a caravan staging post on the trade route linking Kalimpong to Lhasa via Jelep La, Zuluk is famed for its dramatic three-tier serpentine road climbing 32 hairpin turns to Thambi View Point (3,413 m), Lungthung, and high-altitude Kupup Lake.

Elevation Datum

2,865 m (9,400 ft)

Best Travel Window

Apr–May · Oct–Feb

Road Access from Bagdogra (IXB) / NJP

145 km · ~5 to 5.5 hrs via Pedong, Rongli Checkpost & Padamchen

Permit & Documentation Advisory

Silk Route Protected Area Permit (PAP) issued at Rongli / Gangtok with valid government photo ID.

Key Geographic & Cultural Highlights

• 32-Hairpin Zig-Zag Silk Route Ascent
• Thambi View Point Sunrise (3,413 m)
• Nathang Valley (3,990 m) & Tukla War Memorial
• Kupup (Elephant) Glacial Lake & Old Baba Mandir
• Aritar Lampokhari Lake & Mankhim Viewpoint