Simplon Tunnel is a Tunnel located in Switzerland. It is one of the 16 tunnels in Switzerland. Address of Simplon Tunnel is 3901 Ried-Brig, Brig, Switzerland. Simplon Tunnel is located in a remote area, with less than 1 listed places around it. Simplon Tunnel is rated 4.5 (out of 5 stars) by 9 reviewers on the web.