Shin-Tanna Tunnel (新丹那トンネル, Shin-Tanna tonneru) is a tunnel on the Tōkaidō Shinkansen that runs from Kannami town and Atami town in Shizuoka city, Shizuoka Prefecture with total length of 7.959 km (4.945 mi).

It was built and completed in 1964 located parallel to the old Tanna Tunnel.

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