Every Z ordinate in the 19 GeoJSON files is zero. Choose a route above and the dashboard will sample it and fetch ground elevation from the Open-Meteo elevation API (Copernicus DEM GLO-90, 90 m). Values come from that DEM, not from your data, and are labelled accordingly.
Could not reach the elevation service
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Nanda Devi Raj Jat — Full Dashboard
Every dataset, analysis and quality report in one place
Nanda Devi Raj Jat
नन्दा देवी राज जात
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Geospatial Information System
The map is open to everyone. Sign in to view the data quality report, the source register and the project background.
These panels are hidden from the public view. This check runs in the browser, so it is not a security boundary — the page source is readable by anyone. Use the Apps Script deployment with Google sign-in if genuine access control is required.
Built from 19 uploaded GeoJSON files and the reference booklet. No coordinate or route in this system is invented. Every derived value carries a source badge.