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

4-6 July 2025 Pszczyna, Poland
2025 European Tree Climbing Championship
17-19 October 2025 Christchurch, New Zealand
International Tree Climbing Championship (ITCC) 2025
12-14 June 2025 Messancy, Belgium
Belgian TCC
12-15 June 2025 Prague, 44684932 Czech Republic
Czech Tree Climbing Championship
14-15 June 2025 Salem, Oregon United States
Willamette Region Tree Climbing Competition

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TRAQ Events

10-12 June 2025 Los Angeles, California United States
Tree Risk Assessment Qualification - Los Angeles, CA
16-18 June 2025 Knoxville, Tennessee United States
Tree Risk Assessment Qualification - Knoxville, Tennessee
18-20 June 2025 Edmonton, AB Canada
Tree Risk Assessment Qualification - Edmonton, AB
23-25 June 2025 Bundoora, VIC Australia
Tree Risk Assessment Qualification - Bundoora, VIC
24-26 June 2025 Boise, Idaho United States
Tree Risk Assessment Qualification - Boise, Idaho

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Scientific Symposia

No current Scientific Symposia

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