Nathu La Pass: India-China Border and Ancient Silk Route

Category: Geography → Mountain Passes → India-China Relations

Location

  • Sikkim

  • India–China border

  • Dongkya Range of Himalayas

  • Connects Sikkim with Tibet's Chumbi Valley/Yadong region

Altitude

Approximately 4,310 metres.

Historical Importance

Nathu La was an important route of the ancient Silk Route.

Strategic Importance

  • India-China border

  • Military significance

  • Trade and border trade

  • Strategic access toward the Chumbi Valley

Important Comparison

PassLocation/Significance
Nathu LaSikkim–Tibet
Jelep LaSikkim–Tibet region
Shipki LaHimachal Pradesh–Tibet
LipulekhUttarakhand–Tibet/Nepal region

UPSC Key Pointer

Nathu La → Sikkim → 4,310 m → India-China border → Chumbi Valley → Silk Route


31

 

-Topic Rapid Revision Table

TopicOne-line UPSC Fact
KazakhstanLargest landlocked country
ZED SchemeZero Defect Zero Effect
NCCSPune-based DBT cell-biology institute
English ChannelSeparates England and France
African Swine FeverViral disease of pigs; not a human disease
RhineAlps → Netherlands → North Sea
Clouded LeopardNeofelis nebulosa, Vulnerable
Asan Conservation ReserveRamsar site in Uttarakhand
Magnetorheological FluidMagnetic field controls viscosity
Vikram Sarabhai Medal2026 → Annapurni Subramaniam
Glaw LakeIndia's 101st Ramsar Site
Madura IslandIndonesian island near Java
TRAI MyCallConsumer voice-quality feedback
BanderolRussian hybrid missile/drone munition
MISSKCC credit; effective 4% for prompt repayment
EthiopiaHorn of Africa; Blue Nile; GERD
Baidyanath DhamJyotirlinga at Deoghar
Dikhow RiverNagaland → Assam → Brahmaputra
VCSSSatellite communication for fishing vessels
Rakthamichthys anchiNew subterranean eel from Assam
Asiatic Wild BuffaloBubalus arnee
LepidopteraButterflies + moths
Amboseli NPKenya; famous for elephants
PowerBank-50Indigenous satellite battery
Ujh ProjectUjh River; tributary of Ravi
CholanaikkanPVTG of Kerala
EgyptNile + Suez Canal
LeptospirosisLeptospira bacterial zoonosis
Dhauladhar WLSHimachal Pradesh
Nathu LaSikkim–Tibet border pass