Le Mont Vallon is a bar at 5 Rue de Vienne 75008 Paris, in Paris’s 8th arrondissement. It closes at 23:00 at the latest. A short walk away: Oreli's (50 m), Pub 27 (130 m) and Germaine (160 m). When Le Mont Vallon posts a deal or a happy hour on TchinTchinNow, you book it online and pay at the bar.