Fille de Mai is a Observation deck located in Switzerland. It is one of the 45 Observation decks in Switzerland. Address of Fille de Mai is 2803 Bourrignon, Switzerland. Fille de Mai is located in a remote area, with less than 1 listed places around it. Fille de Mai is rated 5 (out of 5 stars) by 5 reviewers on the web.