Observed arrival · 2026-11-10
The one-kilometer elevation atlas of Japan
An interactive terrain reference compares average elevation, slope, and elevation range across Japanese prefectures and municipalities.
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- People comparing Japanese municipal and prefectural terrain
- Worth noticing
- The national overview distinguishes 388,254 grid areas from 5,267 that could not be assigned.
Field notes
The page lets visitors search municipalities by part of a name, with up to 20 suggestions, then compare prefectural and municipal figures in tables and rankings. Its national overview groups grid areas into elevation and slope bands; sortable table headings include mean, median, highest, and lowest elevations, plus a reference elevation range. The figures combine terrain data dated to 2009 with administrative boundaries dated January 1, 2025.
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Editorial observations of this landing page, not a rating.
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