Carl's Jr. is located at 1445 N Mountain Ave, Ontario, CA. This business specializes in Burgers. Carl's Jr. is open Mon, 6am-12am; Tue, 6am-12am; Wed, 6am-12am; Thu, 6am-12am; Fri, Open 24 hours; Sat, Open 24 hours; Sun, 6am-12am and accepts Mastercard and Visa.