Tekkebak Tunnel (Turkish: Tekkebak Tüneli), is a highway tunnel constructed in Ordu Province, northern Turkey.

[1] Tekkebak Tunnel is part of the Samsun-Ordu Highway D.010 E70 within the Black Sea Coastal Highway, of which construction was carried out by the Turkish Nurol-Tekfen-Yüksel joint venture.

[1] The 170 and 135 m (558 and 443 ft)-long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by 261–257 m (856–843 ft)-long Kozbükü Tunnel in the west and 3,805–3,825 m (12,484–12,549 ft)-long Ordu Nefise Akçelik Tunnel (named in honour of the late female engineer Nefise Akçelik) in the east on the same highway.

[2] The tunnel was opened to traffic on 7 April 2007 by Turkish Prime Minister Recep Tayyip Erdoğan.

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