La Vallette Underground Military Museum is a Museum located in Guernsey. It is one of the 13 musea in Guernsey. Address of La Vallette Underground Military Museum is La Valette, Guernsey GY1 1AX, Guernsey. La Vallette Underground Military Museum can be contacted at 441481722300. La Vallette Underground Military Museum is located in a remote area, with less than 1 listed places around it. La Vallette Underground Military Museum is rated 4 (out of 5 stars) by 84 reviewers on the web.