The Ayran Tunnel (), is a motorway tunnel constructed on the AdanaâÂÂà Âanlñurfa motorway in Osmaniye Province, southern Turkey.
It is situated on the Taurus Mountains near Arñcaklñ village of Bahçe, Osmaniye. The -long twin-tube tunnel carrying three lanes of traffic in each direction is flanked by -long Taà Âoluk Tunnel in the west and -long Kñzlaç Tunnel in the east on the same motorway. Dangerous goods carriers are not permitted to use the tunnel.
The tunnel was constructed by Tekfen in New Austrian Tunnelling method (NATM).