Denny's 3770 32nd Avenue S 7:00 AM - 8:00 PM 7:00 AM - 8:00 PM 7:00 AM - 8:00 PM 7:00 AM - 12:00 AM Open 24 Hours Open 24 Hours 12:00 AM - 8:00 PM3770 32nd Avenue S Grand Forks, ND 58201 US