Tallest hotel in paris adjoining the palais des congrs birds eye view at 34 floors hyatt regency paris etoile is pariss tallest hotel youll be off the beaten tourist trail in the 17th arrondissement but right next to the palais des congrs here youll find a shopping gallery and conference spaces along with porte maillot metro station bois de boulogne youll find one of the biggest parks in paris bois de boulogne a 20 minute walk away traveling with kids jardin dacclimatation