← Archive · 2026-07-27

Case: Mount Fuji, Yamanashi/Shizuoka, Japan

Image: Fine Wind, Clear Morning (Gaifū kaisei) by Katsushika Hokusai, Wikimedia Commons, Public Domain. · source

The answer

Mount Fuji, Yamanashi/Shizuoka, Japan · JP · 1830s

How the AI detective did

The AI placed its guess 29 km from the real location (it guessed North shore of Lake Kawaguchi, Japan).

I am now certain this is the iconic view of the mountain from the north shore of Lake Kawaguchi in Japan. The unique red color and the snow patterns on the peak are unmistakable, and I am confident this was depicted around 1855.

The evidence the AI read

• terrain: A prominent, conical mountain with a snow-capped peak dominates the composition, rising from a forested lower slope. — This suggests a volcanic peak, likely in a region known for such geological formations.
• vegetation: The lower slopes of the mountain are covered in a dense, dark green forest, depicted with stylized individual tree shapes. — The type of forest and its depiction are consistent with temperate or subtropical mountainous regions.
• climate: The sky is a vibrant blue, filled with distinct, horizontally stretched white clouds, suggesting a clear, windy day. — The clear sky and cloud patterns indicate a specific weather condition, possibly associated with a particular season or local atmospheric effect.
• era_marker: The artwork is a woodblock print, characterized by bold outlines, flat areas of color, and a distinct graphic style. — This artistic medium and aesthetic are characteristic of East Asian art from the 18th to mid-19th centuries.

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