The Bar/Lounge at Novotel Bangkok on Siam Square
The bar/lounge at Novotel Bangkok on Siam Square is endorsed by professional reviewers. Of the 5 reviews tracked on TripExpert, 2 referenced the bar/lounge, such as Frommer's and Fodor's.
Novotel Bangkok on Siam Square 
Frommer's
Fodor's
Frommer's "The marble and glass lobby leads to an expansive lounge, complemented by soft sofas"
Fodor's "Gourmet Bar in the lobby is the main drinking den for the hotel"
