News

Source — Source: IE ///Category — GS Paper 1 ///Published — 2026-01-29 ///Exam — Both Prelims and Mains ///Tags — Physical Geography, Water Resources, Strategic Infrastructure ///Source — Source: IE ///Category — GS Paper 1 ///Published — 2026-01-29 ///Exam — Both Prelims and Mains ///Tags — Physical Geography, Water Resources, Strategic Infrastructure ///

Source: IE · GS Paper 1

Sela Lake and Sela Pass

Sela Lake, a high‑altitude glacial lake over 13,000 ft in Arunachal Pradesh, and the adjoining Sela Pass are crucial for India's strategic logistics, environmental monitoring, and cultural heritage. Their proximity to the LAC makes them significant for defence preparedness and border infrastructure development.

2026-01-29

Published

Source: IE

Source

Quiz Questions

Article

Key Facts and Data Points

Altitude: Over 13,000 ft (≈ 4,000 m) above sea level.
Location: Northern side of Sela Pass, Tawang district, Arunachal Pradesh, Eastern Himalayas.
Type: High‑altitude glacial lake formed from meltwater trapped by moraines/bedrock.
Drainage: Outflows into Nuranang River, a tributary of the Tawang River.
Surroundings: Sparse alpine vegetation; summer grazing ground for yaks.
Cultural name: “Paradise Lake”; sacred in Tibetan Buddhism; important to Monpa community.
Sela Pass altitude: Approximately 13,700 ft; one of the highest motorable passes in India.
Strategic infrastructure: Sela Tunnel (all‑weather connectivity) and Border Roads Organisation (BRO) maintenance.
Historical relevance: Site of battles during the 1962 Sino‑Indian War; nearby Jaswant Singh War Memorial.

Background and Context

Glacial lakes in the Himalayas are sensitive indicators of climate change; meltwater contributes to downstream river systems.
Sela Pass serves as the primary logistical corridor linking Tawang with the Assam plains, crucial for civilian and military movement.
Proximity to the Line of Actual Control (LAC) with China makes the region strategically sensitive.

Significance for India / Governance / Policy

Strategic: Ensures rapid troop deployment and supply chain to the forward areas along the LAC; vital for defence preparedness.
Infrastructure development: The Sela Tunnel reduces travel time, ensures all‑weather connectivity, and supports economic development of the remote district.
Environmental: Monitoring of glacial lake outburst floods (GLOFs) is essential for disaster management and water resource planning.
Cultural‑tourism: Promotion of the lake’s scenic and spiritual value can boost eco‑tourism, benefiting local livelihoods while requiring sustainable practices.

Related Constitutional / Legal Provisions

Article 48A of the Constitution (Directive Principle) – protection and improvement of environment and safeguarding of forests.
Arunachal Pradesh State Disaster Management Act, 2005 – provisions for disaster risk reduction, including GLOF hazards.
Border Roads Organisation Act, 2000 – empowers BRO for construction and maintenance of strategic roads in border areas.