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OPEN HOURS
Except for scheduled events
Mary Jo Wegner Arboretum Formal Gardens and Hiking Trails are open 7 days a week, dawn to dusk, all year.
Mabel and Judy Jasper Educational Center
Tuesday–Saturday 10:00AM–4:00PM
Closed Sunday and Monday
Closed October–April
Schedule activities at the Mary Jo Wegner Arboretum and East Sioux Falls Historic Site through the Jasper Educational Center staff.