ISA Ontario

Welcome to the Ontario Chapter of the International Society of Arboriculture

Our mission is to enhance and promote the care and benefit of trees for present and future generations in Ontario through education, research and awareness

OTCC 2019 Job Postings

Upcoming Events

OTCC Call for Climbers
date Sep 20 2019 - Sep 21 2019

ISA Ontario’s 31st¬†Annual Tree Climbing Championship will be held September 20th & 21st, 2019, at LaSalle...

OTCC Climb for All Ages
date Sep 21 2019 - Sep 21 2019

WAO runs the Fun Climb for All Ages at the Annual Ontario Tree Climbing Championship in...

TRAQ Whitby
date Sep 24 2019 - Sep 26 2019

Event date: Tuesday Sept. 24 to Thursday Sept. 26, 2019 Location: Centennial Building Regal Room 416...