ANNOUNCEMENT: Our new website is currently under construction and will become operational soon! We know you will love it! You will still be able to find all the information here until the new site is completely up and running. Thank you for all your support.
Summer Camps are FULL. So sorry…
CIT Program Still accepting registrations
Thank you to all who registered. We are looking forward to a great summer! Any further inquiries or questions should go to
We are replacing our popular Forest Egg Hunt (which was cancelled due to weather) with our new
SPRING FEST on April 20th
Bring the family to the Althouse Arboretum for food, games, crafts and FUN! Make your own pizzas in our wood-fired pizza oven. Go on a woodland scavenger hunt, or enjoy our games and more! Admission is FREE.
Don’t forget… our popular NATIVE PLANTS AND MORE Sale is coming up on May 11th. Students are busy getting the plants ready so that we have over 1,000 to choose from!
Get all our event details here!
See all the benefits and
sign up now!
A student-run Outdoor Activity Center
Managed by the 501c3 nonprofit GREENALLIES
Our Mission:
Empowering Students
Driving Environmental Innovation
Creating Visionary Leaders
Changing the World
When you support GreenAllies you support not only the Arboretum, community resources, leadership programs for our local high school students and the youth programs they run but you support a national effort linking students and community to promote environmental sustainability as well.
With your support we’ve accomplished more than you can imagine!