Coming Soon! Hartley Summer Celebration! You are viewing a past event. This event took place on Thursday July 29th 2021 at 05:00 pm. Thursday July 29th 2021 05:00 pm - Sunday August 1st 2021 02:00 pm Neebel Park, 333 S Central Ave, Hartley, IA July 29th, 30th, 31st and Aug. 1st. Parade entries are being taken now. You must register by July 30th! To register your entry for the parade, please call Brittany at 712-363-1073 or email to Hartleyparade@gmail.com. See the Events listing for more Summer Celeration details.