The Ishikawa Tunnel (石川トンネル, Ishikawa Tonneru) is part of Japan National Route 329 in Uruma, Okinawa. It cuts through the cliffs south of Ishikawa to connect the Ishikawa By-pass to Route 329 proper. The by-pass, tunnel, and bridge were built in the 1990s.

National Route 329 shield
National Route 329
国道329号
国道329号
Route information
Length78.5 km (48.8 mi)
Major junctions
From National Route 331 in Nago
To National Route 331 in Naha
Location
CountryJapan
Highway system
The Ishikawa Tunnel from the North entrance.