Contact Us

Email us
Phone: +1.678.367.0981
Fax: +1.240.547.1795

Mailing Address

International Society of Arboriculture
PO Box 191
Annapolis Junction, MD 20701
United States

Physical Address

International Society of Arboriculture
270 Peachtree St NW, Suite 1900
Atlanta, GA 30303
United States

ISA Events

ISA International Annual Conference with ITCC

5-8 August 2018 Columbus, Ohio, United States
ISA Annual International Conference and Trade Show

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Climbing Competitions

23-25 May 2025 , QLD Australia
2025 Asia Pacific Tree Climbing Championship (APTCC)
4-6 July 2025 Pszczyna, Poland
2025 European Tree Climbing Championship
17-19 October 2025 Christchurch, New Zealand
International Tree Climbing Championship (ITCC) 2025
15-17 May 2025 Dongen, Noord-Brabant Netherlands
dutch tree climbing championship
16-18 May 2025 Minneapolis, Minnesota United States
Minnesota Tree Climbing Championship

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TRAQ Events

19-21 May 2025 Spokane, Washington United States
Tree Risk Assessment Qualification - Spokane, WA
19-21 May 2025 Rooty Hill , New South Wales Australia
Tree Risk Assessment Qualification - Rooty Hill , NSW
28-30 May 2025 Charlottesville, Virginia United States
Tree Risk Assessment Qualification - Charlottesville, Virginia
28-30 May 2025 Seattle, Washington United States
Tree Risk Assessment Qualification - Seattle, Washington
28-30 May 2025 Arlington Heights, Illinois United States
Tree Risk Assessment Qualification - Arlington Heights, Illinois

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Scientific Symposia

No current Scientific Symposia

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