– Region: Sikkim — North Sikkim (Gurudongmar Lake, 5,183m — sacred Sikh and Buddhist lake)

 – Elevation: 5183

 – GPS Coordinates: 28.030° N, 88.710° E

 – Access Difficulty: T4 — 80km from Lachen (3–4hr military road); max altitude drive in India 

 – Opening Season: May–Oct (snow closed Nov–Apr; day visit only — no overnight)

 – Winter Room: – Number of Beds: 0  – Showers: No shower

 – Drinking Water: Yes — sacred lake (DO NOT TREAT) – Meals & food: Restricted military area — no facilities

– Mobile Signal: No signal – Payment Methods: Restricted Area Permit + permit from Mangan SDM | day trip from Lachen (2,750m) | military road

 – Short Description: Gurudongmar Lake (5,183m) — one of the HIGHEST LAKES IN THE WORLD. Sacred to Sikhs (Guru Nanak is said to have visited) and Buddhists. Part of the lake never freezes even in winter. DAY VISIT ONLY — no overnight permitted (military sensitivity). Restricted Area Permit mandatory.