Lowari Tunnel is a 10.4 km long tunnel located in Upper Dir District, Khyber Pakhtunkhwa, Pakistan. It is one of the longest tunnels in South Asia and longest tunnel in Pakistan overcoming Khojak Tunnel 3.91 km in 2018. The tunnel runs under the Lowari Pass in the Hindu Kush mountains range.
This tunnel connects Lower Chitral and Upper Dir districts of Khyber Pakhtunkhwa. These are two tunnels, one 8.5 km long and the other 1.9 km long. The project began in late 2005 and by the end of 2008 a South Korean company had dug an 8.5 km long tunnel. By the end of 2018, the tunnel opened to traffic.