Gabis Arboretum at Purdue Northwest is a 300-acre, oak preserve of formal gardens, woodlands, wetlands, prairies and hiking trails located near Valparaiso, Indiana. Open year round, the Arboretum offers a wide variety of events and classes for all ages. Officially becoming part of Purdue University Northwest in 2018, Gabis Arboretum provides an enriching, natural habitat for public, educational, conservation and recreational use. Located approximately 25 miles from the Indiana Dunes National Lakeshore and 60 miles southeast of Chicago in Valparaiso, Indiana, Gabis Arboretum offers beautiful vistas, quiet corners and hiking trails to escape into its diverse landscape.