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

The Garden in Your Backyard

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Please click here for Arboretum Permit Application

Please click here for Borough of Glen Rock permit form.

To obtain a permit: Complete the Thielke Arboretum Form along with the forms for the Borough of Glen Rock and return it to:

Glen Rock Arboretum, PO Box 34, Glen Rock, NJ 07452-0034