Tonkararin Tunnel Structure
トンカラリン
Explore Tonkararin Tunnel, a unique historical tunnel structure in Kumamoto Prefecture.
What it is
- A tunnel-type historical structure in Nagomi Town.
- Designated as a Kumamoto Prefectural Historic Site.
- Named for the sound of a stone falling into a hole.
- Existence became widely known around 1974.
What to see
- Total length of the structure is 464.6 meters.
- Five connected tunnels of different structures and sizes.
Notes written by Japan Gems from facts in Japanese Wikipedia.
Where it is
Tonkararin Tunnel Structure Open in Google Maps
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