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• ACTC 2026 CAT Certified Arborist Training Course (6 Classes)

  • Start
    January 30, 2026
  •  
    8:00 AM
  • End
    March 06, 2026
  •  
    3:00 PM
  • Location
    Mesa, Arizona
  • Spaces left
    49

  Register

  Arizona Community Tree Council  Presents 

  2026 Certified Arborist Training and Review 

  a 6-Class Course designed to prepare tree-care industry workers for the ISA Certified Arborist Exam

  Location:  Mesa, Arizona

  
  

  download flyer

  
  

  Training Class Dates:

  • Friday, January 30, 2026; 8:00 am - 3:00 pm (6 CEUs)
  • Friday, February 6, 2026; 8:00 am - 3:00 pm (6 CEUs)
  • Friday, February 13, 2026; 8:00 am - 3:00 pm (6 CEUs)
  • Friday, February 20, 2026; 8:00 am - 3:00 pm (6 CEUs)
  • Friday, February 27, 2026; 8:00 am - 3:00 pm (6 CEUs)
  • Friday, March 6, 2026; 8:00 am - 3:00 pm (6 CEUs)

  
  

  Exam Date:

  Saturday, March 7, 2026

  What is Certified Arborist Training (CAT)?
  The Certified Arborist Training Course is a series of classes designed to prepare students to take the ISA Certified Arborist exam. It is also an excellent introduction to the field of arboriculture, as well as a great review for industry professions. The course is open to all students. CEU's are offered for Certified Arborists.
  
  What will I learn?
  Classes cover all chapters in the ISA Arborists' Certification Study Guide.
  
  What materials do I need?

  The ISA Arborists' Certification Study Guide is included with your Full Registration. (All Daily Registrants are required to provide their own ISA Arborists' Certification Study Guide, and may purchase from ACTC or ISA)

  
  

  What if I am unable to attend all 6 classes? 

  Daily Registration is available. The ISA Arborists' Certification Study Guide is not included in the daily registration.  Daily registrants are required to provide their own ISA Arborists' Certification Study Guide. The ISA Arborists' Certification Study Guide may be purchased through your CAT Registration, or from the ISA Online Store.

  
  More Info on the ISA Certified Arborist Exam: 

  Call ISA for more questions and details at 678-367-0981

  •  There are limited seats for the exam.
  •  It is recommended to begin the Exam Application process as early as possible.
  •  It can take time to submit the paperwork and receive approval to register to take the exam.

  • To take the exam, individuals must apply directly with the ISA approximately 4 weeks prior to the exam to be eligible for testing.  Please follow up with ISA regarding the deadline for the scheduled exam of your preference.

  • The ISA requires a minimum of 3 years documented field experience before taking the Certified Arborist exam. If you are a self-employed business owner, a minimum of 36 months of invoicing is required.
  • The ACTC/CAT Program series does not include the exam application and exam fee.

  • ACTC is not responsible for your Certified Arborist Exam Application.

  • The Certified Arborist Exam is proctored by the ISA. 

  • The ISA Certified Arborist Exam requires an Exam Application and Exam Fee to be paid directly to the ISA. 

  • Please review the qualifications for taking the exam at  http://www.isa-arbor.com/certification/becomeCertified/index.aspx
    

  Call ISA for more details at 678-367-0981

  
  

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• ISA - Certified Arborist Exam

  • When
    March 07, 2026
  • Location
    Mesa, Arizona

  
  

  International Society of Arboriculture

  Certified Arborist Exam

  Saturday, March 7, 2026

  The Certified Arborist Exam is proctored by ISA, the International Society of Arboriculture. 

  To take the exam, individuals must be enrolled directly with the ISA.

  This is only an IN-PERSON EVENT

  The ISA Certified Arborist Exam also requires a fee to be paid directly to the ISA. 

  PLEASE CHECK WITH ISA FOR THE ENROLLMENT DEADLINE

  
  

  For details, call ISA at 678-367-0981 or visit the ISA website.

  
  

  Show details
• ACTC 2026 TCC CLIMBER REGISTRATION - Tree Climbing/REGISTRO DE ESCALADORES TCC ACTC 2026 - Campeonato de Escalada de Árboles Championship

  • Start
    March 13, 2026
  •  
    6:00 AM
  • End
    March 14, 2026
  •  
    5:00 PM
  • Location
    Joe Henry Memorial Park, Yuma, Arizona
  • Spaces left
    39

  Register

  Arizona Community Tree Council Presents 

   2026 Tree Climbing Championship

   March 13 & 14, 2026

  (March 12, Gear Inspection for All)

  Joe Henry Memorial Park, Yuma, AZ 

  
  

  CLIMBER SIGN-UP

  40 Climbers will be accepted 

  2 Days of Competition 

  
  

  FREE CAMPING AVAILABLE

  Free tent or RV camping for climbers/volunteers

  Climber registration opened on December 1, 2025 with 40 limited spots available on a first-come, first-served basis. Through December 31, 2025, registration, and the Waitlist, will be open to only Arizona residents.  On January 1, 2026, if spots remain, out-of-state climbers will be eligible to register; or sign up for the Waitlist if spots fill up. If all climber participant spots are taken, we encourage you to sign up for the Waitlist.  There is the possibility that one or more registrants may cancel.  ACTC Admin will notify individuals on the waitlist regarding their place on the list, and if/when a spot opens up. Beginning January 1, 2026, if all climber participant spots are taken, Out-of state climbers may sign up for the Waitlist.  To secure a spot, the registration fee must be paid at the time of registration. Arizona residents must provide a valid Arizona ID at the time of registration.

  
  

  
  

  
  

  DECEMBER 2025 - Arizona Residents only (must show proof of residency)

  • ACTC Member:  $250

  • Non-ACTC Member:  $275

  
  

  OPEN REGISTRATION for Arizona & Out of State Residents, January 1, 2026

  • ACTC Member (Arizona or non-Arizona resident): $300

  • Non-ACTC Member (Arizona or non-Arizona resident): $330

  • Open to non-Arizona residents, a waitlist will be used if needed.

  
  

  CLIMBER COMPETITOR REGISTRATION FEES INCLUDE

  Thursday, March 12: 

  • Gear Inspection

  • Light Dinner

  
  

  Friday, March 13: 

  • Competition Day #1 
  • Competition Shirt #1 
  • Competition Team Gaiter
  • Breakfast
  • Lunch
  • Snacks

  
  

  Saturday, March 14: 

  • Competition Day #2
  • Competition Shirt #2 
  • Breakfast
  • Lunch
  • Snacks
  • Awards Presentation and cookout*
  • Participant “Swag” Bag**

  *Optional extra meals for family members are available for purchase 

  **To be eligible to receive the Participant "Swag" Bag, competitors are required to participate.

  
  

  COMPETITION FORMAT

  • Climbers will compete in teams of 8, randomly selected through a lottery
  • Each team will be provided a schedule, determining their teams event running order
  • Teams will complete in three climbing events on competition day one
  • The overall top 3 Arizona climbers will compete in the Master Climb
  • Only climbers who are Arizona residents are allowed to compete in the Master Climb
  • The winner of the Master Climb will be crowned Arizona Tree Climbing Champion
  • The Tree Climbing Champion will receive a paid entry into the WCISA Tree Climbing Championship

  
  

  CLIMBER ACCEPTANCE & REGISTRATION
  

  • Climber registrations will be accepted on a first-come, first serve basis
  • Early bird registrations, December 1 to December 31, 2025, will be for Arizona residents ONLY
  • Up to 40 climbers will be accepted to compete; a waitlist will be used, if needed
  • Open registration will begin January 1, 2026, open to non-Arizona residents as well as Arizona residents
  • Accepted Climbers will need to submit a completed, CLIMBER PACKET by March 1, 2026
  • A CLIMBER PACKET consists of the following:
  • • Completed Online Registration form (all fields / questions answered)
  • • Full Registration Payment
    • Signed Waiver 
    • Gear Check Form
    • Other Necessary Information Requests from ACTC
  • If an accepted climber does not submit the required payment and completed Climber Packet by March 1, 2026, the climber registration will be cancelled, and the open spot will then be offered to the next person on the waitlist

  
  

  EVENT REFUND/CANCELLATION POLICY

  • SUBSTITUTIONS / REPLACEMENTS are NOT allowed
  • You may NOT substitute another climber for your cancelled spot
  • Refund requests for Climber Registration fees must be submitted in writing via email or mail before March 6, 2026 to receive a refund

  

  FOR MORE INFORMATION CONTACT:

  Luke Clemence

  315-335-7398

  events@aztrees.org

  
  

  BECOME A VOLUNTEER

  

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• ACTC 2026 TCC SEEKING VOLUNTEERS - Tree Climbing Championship

  • Start
    March 13, 2026
  •  
    10:00 AM
  • End
    March 14, 2026
  •  
    6:00 PM
  • Location
    Joe Henry Memorial Park, Yuma, AZ

  Register

  Arizona Community Tree Council

  2026 Tree Climbing Championship

  CALL FOR VOLUNTEERS
  

  Joe Henry Memorial Park | Yuma, AZ

  2-Day TCC: MARCH 13 & 14, 2026

  (Volunteers also needed March 12 for Set Up & Gear InspectIon)

  
  

  FREE CAMPING AVAILABLE

  Free tent or RV camping for climbers/volunteers

  
  

  VOLUNTEER Positions Needed:

  Qualified Judges (Certified Arborists)

  Scorekeepers

  Runners

  Climb Techs

  Tree Site Prep & Climb Set Up

  Climb Take Down & Clean Up

  Other Positions

  
  

  Meals & Shirt Provided

  MORE VOLUNTEER INFO COMING SOON

  
  

   DOWNLOAD VOLUNTEER WAIVER FORM

  
  

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• 2026 TCC ACTC SPONSORS & EXHIBITORS - TREE FESTIVAL & CLIMBING CHAMPIONSHIP

  • When
    March 14, 2026
  •  
    10:00 AM - 5:00 PM
  • Location
    Yuma, Arizona-Joe Henry Park

  Register

  
  

  SPONSORSHIP / EXHIBITOR

  TREE FESTIVAL & CLIMBING CHAMPIONSHIP
  

  

  Why Be a Sponsor & Exhibitor?

  • Help facilitate Arizona's best climbers to participate in the sport they love and in doing so raise awareness of the industry to the greater community. 

  • Position your company as an industry & community leader supporting the Arizona urban landscape

  • Reach community members in a cost-effective way
    

  • Promote your organization or business to the 2,000 people who receive our newsletter
    

  • Support the important work of the Arizona Community Tree Council

  
  

  
  

  SPONSORSHIP OPPORTUNITIES - SEE BELOW:

  Title Sponsor $5,000.00

  • Premium Recognition for event on website, signage, printed materials and social media
  • Logo on Event Shirts
  • Breakfast and Lunch for 2 individuals 
  • Exhibit Table and 2 chairs at event 
  • Award Presentation Opportunity
  • Annual Membership for 10 individuals

  Meal Sponsor $2,500.00 (3 AVAILABLE)

  • Exclusive Sponsor of Meal
  • Recognition on website and signage
  • Logo 'ed sticker on food items
  • Breakfast and Lunch for 2 individuals for both days
  • Exhibit Table at event (if selling a product or service at the Festival, a Vendor Permit from the City of Tucson is required)
  • Annual Membership for 5 individuals

  Master Climb Sponsor -$1,000.00

  • Exhibit Table and 2 chairs at event
  • Lunch for 2 individuals
  • Recognition at the Climb you Sponsor
  • Recognition on website and signage
  • Logo on Event Shirts
  • Annual membership for 2 individuals

  Photography Sponsor $750.00

  • Exhibit Table and 2 chairs at event 
  • Lunch for 2 individuals 
  • Watermark sponsor name on all photos 
  • Name & Logo on ACTC website and signage

  Climb Sponsor-$750.00 (5 AVAILABLE)

  • Recognition at the Climb you sponsor

  • Name & Logo on ACTC website and signage

  • Logo on event shirts

  • Lunch for 2 individuals

  • Exhibit Table and 2 chairs at the event

  Gear Check Sponsor-$500

  • Recognition at Gear check

  • Name & Logo on ACTC website and signage

  • Lunch for 2 individuals

  • Exhibit Table and 2 chairs at the event

  Industry Exhibitor/Vendor $100

  • Exhibit Table and 2 chairs at the event
  • Lunch for 2 individuals
  • Name & Logo on ACTC website and signage

  Food or Arts & Crafts Exhibitor/Vendor $25

  • Name & Logo on ACTC website and signage

  Non-profit Exhibitor/Vendor free

  • Lunch for 2 individuals
  • Name & Logo on ACTC website and signage

  
  

  
  

  
  

  Show details
• ACTC 2026 Tree Climber Program (formerly Tree Workers Workshop)

  • When
    April 10, 2026
  •  
    8:00 AM - 3:30 PM
  • Location
    Chandler, Arizona
  • Spaces left
    53

  
  

  Arizona Community Tree Council  Presents 
  

  Tree Climber Program

  (formerly Tree Workers Workshop)

  Friday, April 10, 2026

  8:30am - 3:30pm

  (Check-in 8:00am)

  Location:  Chandler, Arizona

  
  

  REGISTRATION OPENS JANUARY 2026

  
  

  Earn 6 CEUs

  About this program:

  • This is a classroom & demonstrational program.
  • This program is for individuals who may want to review or improve their tree climber knowledge.
  • This program does NOT include registration for the ISA Certified Tree Climber Exam or Skills Test, see below for more info.
  • This program is for individuals who may want to prepare for the ISA Certified Tree Climber Exam or Skills Test, see below for more info.

  
  

  Brief Agenda:

  Classroom Learning

  8:00 am - 8:30 am  -  Check In

  8:30 am - 12:00 pm

  • Safety
  • Tree Removal
  • Tree Identification and Health
  • Pruning

  Park - Demonstrational Learning*

  1:00 pm - 3:30 pm

  • Tree Climbing and Rigging
  • Safety Review

  *What to bring: 

  • Required:  Basic PPE
  • Optional:  Camp chair

  
  

  Detailed Schedule:

  8:00am - 8:30 am Check-In

  8:30am  - 9:15 am  Tree Health and Science

  How trees grow and defend against decay; how to recognize signs of decay.

  9:15 am- 10:00 am Pruning
  The costs and benefits of pruning; the physiology of pruning; pruning
  techniques.

  10:00 am- 11:00am Removal 
  How to safely and efficiently perform tree removals; height estimation,
  felling, climbing, bucking and lifting; the use of cranes during tree
  removal.

  11:00 am- 12:00 pm Cabling and Bracing
  Reasons for installing cables and braces; hardware and tools; attachment
  techniques.

  12:00 pm - 1:00 pm Lunch
  Lunch is on your own.

  AFTER LUNCH - at Park

  1:00 - 2:30 pm Safety/Climbing
  Current safety regulations; personal protection equipment, chainsaw safety;
  electrical hazards; climbing equipment, ropes and knots; methods for
  ascending, descending and working in trees.

  2:30 - 3:30 pm Rigging
  Use of rigging ropes and equipment; techniques for proper rigging.

  
  

  ISA Tree Climber Written Exam and Skills Test ACTC will be scheduling the next ISA Tree Climber Written Exam and Skills Test for April 11, 2026. This will allow the opportunity for all interested candidates to complete the steps of the application process, which includes the gathering and submission of work history, applying and registering for the written exam and the skills test, and preparing for the written exam and the skills test.  This application, testing and certification process is completed directly with ISA. Start your application process now! Each step may take up to 3 weeks or more.  For information on becoming an ISA Certified Tree Climber, GO HERE

  
  

  Show details
• ISA - Certified Tree Climber Written Exam & Skills Test

  • When
    April 11, 2026
  • Location
    Chandler, Arizona

  International Society of Arboriculture

  Certified Tree Climber

  Written Exam & Skills Test

  Saturday, April 11, 2026

  Chandler, Arizona

  The Certified Tree Climber Written Exam and Skills Test are proctored by ISA, the International Society of Arboriculture. 

  To take the exam and the skills test, individuals must be enrolled directly with the ISA.

  These are only IN-PERSON EVENTS

  The ISA Certified Tree Climber Written Exam and Skills Test require a fees to be paid directly to the ISA. 

  PLEASE CHECK WITH ISA FOR THE ENROLLMENT DEADLINE

  
  

  For details, call ISA at 678-367-0981 or visit the ISA website.

  
  

  Tree Climber

  Written Exam & Skills Test

  Show details