The Bar/Lounge at DoubleTree by Hilton Hotel London -Tower of London
DoubleTree by Hilton Hotel London -Tower of London's bar/lounge is referenced by expert reviewers. Out of 6 professionals tracked on TripExpert, 6 recommended the bar/lounge, including Rough Guide, Frommer's and Oyster.
DoubleTree by Hilton Hotel London -Tower of London 
Rough Guide
Frommer's
Oyster
Zagat
The Telegraph
Star Service
Rough Guide "The rooftop bar, Sky Lounge, offers amazing views"
Frommer's "Views from the rooftop bar (and many of the rooms) are like an I-Spy of London sights: Tower Bridge, the City, and the Tower of London are all laid out before you"
Oyster "Beyond the sunny rooms, the most appealing feature here is the SkyLounge, a rooftop bar with sweeping views over East London"
Zagat "Some rooms and suites have access to the Executive Lounge, which offers complimentary breakfast and all-day refreshments"
The Telegraph "Top marks for the Skylounge Bar — not the prettiest design, but fabulous outdoor terraces with winter heaters, summer barbies and City views to make you weep"
Star Service "Club-level guests are treated to a host of amenities including turndown service and access to a well-tended lounge for breakfast, snacks and evening cocktails"
