Kalvin's Donuts
Known for: Doughnut counter inside the Rancho Cucamonga 99 Ranch Market, known for Tiger Tails (glazed twists with chocolate and orange stripes).
9721 Base Line Rd (inside 99 Ranch Market)
Rancho Cucamonga, CA 91730
Monday: 5:00 AM – 3:00 PM; Tuesday: 5:00 AM – 3:00 PM; Wednesday: 5:00 AM – 3:00 PM; Thursday: 5:00 AM – 3:00 PM; Friday: 5:00 AM – 3:00 PM; Saturday: 5:00 AM – 3:00 PM; Sunday: 5:00 AM – 1:00 PM

