The historical tunnel is situated on Moo 1 Tambon Khlong Kwang, Nathawee District, Songkhla, 4 kms from Khao Nam Khang National Park. It is open to the public as a new tourist attraction of Songkhla, different from others destinations. Nice sceneries of mountains and forest around the tunnel, pure air, the history of the tunnel as well as the lives of residents are very interesting and worth to study. Interested tourist can visit the tunnel via Hat Yai - Nathawee - Ban Prakop - Khao Nam Khang route (90 kms). Alternatively, tourist can go to Sadao, then take the route to Khao Nam Khang, opposite to the Sadao District Office.