Peterson Park by alicia | Mar 10, 2023 | 0 commentsLocation Peterson Park Gretna NebraskaNext Event Gretna Days Community Picnic - Sun July 30, 2023 - 11:00 am - 1:00 pm Loading Map.... Peterson ParkPeterson Park - Gretna Events 41.139983 -96.240581 Upcoming EventsGretna Days Community Picnic - Sun July 30, 2023 - 11:00 am - 1:00 pmGretna Days Rides, Games, and Fun in Peterson Park - Sun July 30, 2023 - 11:30 am - 2:30 pm