259 Gentle Springs LaneDiamond Bar, CA 91765 Phone: +1 909-860-3700Fax: +1 909-860-2110Toll Free: +800-780-7234 Hotel E-mailHotel Website Classification 3 Superior Tourist Class Commission Rooms Rates 10% 97 - Hoteliers! Is your information accurate? Update Here Best Western Diamond Bar Hotel & Suites Location & Neighborhood 16 mi W of Ontario Intl Airport - 43 MI, 45 min from Los Angeles Intl airport. 5 MI from PomonaNearest Cross Street: Diamond Bar BlvdHotel Location: Suburban