ISA 2025 Annual International Conference in Christchurch, NZ
We look forward to seeing you all in Christchurch, New Zealand on 20-22 October 2025.
New Zealand Information
New Zealand Tourism
Touring Map
NZ Arb
New Zealand has a goods and services tax (GST), which is added to the price of most goods and services, including imports, at a rate of 15%. ISA will charge this 15% GST on all sales related to the ISA 2025 Annual Conference and International Tree Climbing Championship (ITCC), to include sponsorships, exhibit booth sales and registration fees. Click here to learn more about New Zealand’s GST. We highly recommend consulting your tax advisor related to this GST.
- Non-resident business and GST. Click here to determine if your organization or non-resident business may be eligible for GST tax refunds related to the ISA Annual Conference and ITCC.
- Claiming GST in New Zealand. Review this flyer regarding overseas organizations claiming GST in New Zealand.
As a reminder, we highly recommend consulting your tax advisor related to this GST.
Hotel Information
Crowne Plaza New Zealand - NZ
Arboriculture Conference Weblink
17-24 October 2025
Standard King/ Twin- $345 NZD room only (approximately $199 USD)
Cancellation policy 30 days
To ensure access to agreed group rate, follow these steps: (1) Click the link below to visit our main booking page, (2) scroll down, enter required dates, and click book now (do not amend rate preference)
Book Hotel
Hotel Information
Fable Christchurch
Promo Code "ISA2025"
10% off BAR
Book Hotel
Interested in Sponsoring or Exhibiting at the ISA 2025 Annual International Conference?
ISA provides sponsors the opportunity to play a vital role in strengthening the global tree care community by supporting the arborist profession’s growth, recognition, and success, through our annual international conference and tree climbing championships. Sponsors provide targeted support for specific ISA events and programs aligning with their corporate objectives while helping advance the ISA mission.
Stay tuned for more information regarding 2025 sponsorship opportunities.
Become a Sponsor
View the Conference Prospectus