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Welcome to The Thielke Arboretum, Glen Rock, New Jersey!

The Garden in Your Backyard

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Fishing Derby 2017
Bugs in the Brook
Bird Watching 2017
Weed Warrior Day 2017
Spring StoryWalk 2017
Winter Journey Sticks Wal
Bark ID Workshop
Winter StoryWalk
Nature Journaling 2016
Summer StoryWalk
Fall StoryWalk
This class is offered on Februay 21, 2017
1:00 PM - 2:30 PM