Get Involved

The Thielke Arboretum of Glen Rock depends solely on donations and volunteers to operate, preserve, and maintain the arboretum. There are several ways to get involved. You can donate financially, or donate your time. Your donation supports:
  • Care & maintenance of the 11 acres of wooded wetlands and the spring fed pond
  • Science and nature programs for schools and scouts
  • Programs & workshops for children and adults
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Please considering donating or signing up to be a volunteer today.

Location:
460 Doremus Ave.,
​Glen Rock, NJ 07452

Mailing Address: 
PO Box 34
Glen Rock, NJ 07452

Friends of the Glen Rock Arboretum, Inc. is a not-for-profit, 501( c)3 volunteer organization, dedicated to the preservation, maintenance and development of the Arboretum.