Welcome to ISA Ontario


Caesars Windor Hotel & Casino will be the location of ISAO's 66th Annual Educational Conference & Trade Show.

This year’s event will be held at the spectacular Caesars Windsor Hotel & Casino, in Windsor, Ontario from February 18th to 20th, 2015.   With such a successful 2014 Conference, we know that we will be building on that success with Caesars Windsor; a resort that defines modern luxury in the midst of timeless elegance.  Click here for more details...

CALL FOR CLIMBERS for our 26th OTCC, September 13th. Pinafore Park, St. Thomas.

REGISTRATIONS OPEN 14 JULY AT 7AM and close 3 weeks later, 4 August.   Please click here  for the 2014 registration form or here for more information.

ISA Annual International Conference and Trade Show  - August 2-6, 2014;  Milwaukee, Wisconsin, USA. 

The Conference and Trade Show features a lineup of educational sessions led by industry leaders from around the globe, sharing their thoughts and views about the newest trends in equipment, practice, technology and research.     Click here for  details...  Don't miss the International Tree Climbing Competition August 2-3, 2014, just one of many highlights during the conference...more ITCC details here...

Warren Buffett
Someone's sitting in the shade today because someone planted a tree a long time ago. "Warren Buffett"

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.

News & Events

Jul 17
Get the new App!
Jul 10
Information for users of the Petzl ZigZag...
Jul 07
Call for Abstracts due by 16th July 2014
Jul 03
If you are planning on attending the ISA annual conference in Milwaukee you had better book your hotel room soon...