Gabis Arboretum
Prairie Walk
Come see the prairie at Gabis Arboretum one last time before it dies back this fall. You will be seeing asters, goldenrod and other late-blooming species.
Native Seed Collecting at Gabis Arboretum
Join the naturalist and collect native seeds from plants in the prairie. Tips will be given on ways to improve germination of the seeds, as well as information on proper planting sites.
HalloWeekend at Gabis Arboretum
Celebrate Halloween at Gabis Arboretum’s second annual Hallo-Weekend! Enjoy an outdoor movie, model trains, age-appropriate activities, and more!
Trail of Scarecrows
Our Trail of Scarecrows will be on display at Gabis Arboretum from October 7 to October 31. This year's theme is Fairy Tale Characters!
Railway Garden Special – One-Day Event
Lake County Operators from Wisconsin in partnership with Riley’s Railhouse from Chesterton will be bringing special trains to run on our Model G tracks in the Railway Garden. Come see them operate their unique trains that can pull up to 30 train cars!
HalloWeekend at Gabis Arboretum
Celebrate Halloween at Gabis Arboretum’s second annual Hallo-Weekend! Enjoy an outdoor movie, model trains, age-appropriate activities, and more!
Sunset Walk with Jim Hitz
Join Jim Hitz, Horticulturalist, as he guides you on a captivating sunset exploration of Oak Island, culminating at the prairie.
Volunteer Work Day
Come and join the Gabis Arboretum with restoring our native habitat, weeding in the garden, or mulching the trails!
The Mighty Stature and Ecology of Oaks
Join Dr. Spencer Cortwright from Indiana University Northwest as he explains the ecological importance of oaks.
Birds of Prey in Northwest Indiana (Sold Out)
This class is designed to teach you about the 19 “Raptors” or birds of prey that are common to Northwest Indiana. Whether these birds are inhabiting the area or passing through on a migratory path, if you know their characteristics and habits you may be able to spot all 19 throughout the year.