Attabad Tunnel (Gilgit Baltistan) Posted by mian zeeshan 31st March 2017 Due to disaster in Attabad, Karakoram Highway had damaged totally by landsliding and blocking of the Hunza River and resulting in Attabad Lake accidently. At that time, boats were used to cross the Hunza River through Attabad Lake. By the support of China, a new tunnel has been constructed here to rejoin the broken part of Karakoram Highway. Attabad Tunnel Map View Larger Map