Hilton San Francisco Union Square

Occupying 3 towers in the vibrant Union Square neighborhood, this polished high-rise hotel is 3 minutes' walk from a cable car stop and a 12-minute walk from the Moscone Center convention facility.
Sophisticated rooms offer flat-screen TVs, desks and Wi-Fi (fee). Upgraded rooms add balconies and/or skyline views; some include free Wi-Fi. Suites provide sitting areas.
There's a hip restaurant, and...