Every arborist conference, climbing comp, training workshop and tree-care expo worth knowing about — Australia, NZ, UK, Europe, North America.
Spotted one we missed? Drop it in #general-bs and we'll add it.
Messe Augsburg, Germany
Three-day arboriculture conference + Europe's largest tree-care trade show. 160+ exhibitors, climbing demos, expert exchange. The big one for any climber wanting to see the German scene.
deutsche-baumpflegetage.de →Vancouver, British Columbia
50-year-anniversary edition of the premier UVM/utility-vegetation research symposium, organised by the Utility Arborist Association.
gotouaa.org →Germany · venue TBC (traditionally Augsburg)
31st German national tree climbing championship. Organised by ISA Germany — qualifier route to ETCC.
isa-arbor.de →Davey Tree SEED Campus, Kent, Ohio
5-event continental comp (Aerial Rescue, Work Climb, Ascent, Belayed Speed, Throwline) + Masters' Challenge. Winners qualify for ITCC.
itcc-isa.com →ICC Wales, Newport
Institute of Chartered Foresters' flagship conference — strategic / policy / innovation focus, useful for arb consultants and business owners.
charteredforesters.org →Netherlands · venue on KPB-ISA site
Dutch national tree climbing championship — student comp, prelims, masters, plus Tree Safety Control comp. Qualifier for ETCC/ITCC.
kpb-isa.nl →Miya River Watai Park, Watarai Town, Mie Prefecture
Japan's national comp; winners qualify for ITCC 2026. One of the friendliest international comps to travel to.
jasjapan.jp →Sheraton Sand Key, Clearwater, Florida
Multi-day Florida ISA conference for commercial, utility, municipal arborists, climbers and planners.
floridaisa.org →Bierbeek, Flemish Brabant
Belgian Arborist Association's national championship — well-attended by Dutch / German / French climbers too.
baas-isa.be →Masonic Youth Center, Warwick, Rhode Island
Regional climbing comp; climber registration opens April 2026.
newenglandisa.org →Fribourg, Switzerland
Swiss national championship + a full festival week of training classes alongside the comp. Run by Bund Schweizer Baumpflege (ISA Switzerland).
baumpflege-schweiz.ch →Sydney · 3 days incl. field assessment
ISA Tree Risk Assessment Qualification — the industry-standard cert for arborists doing risk reports. Other 2026 AU/NZ deliveries: Apr (Melb), Jul (Hobart), Jul (Wellington NZ), Aug (Melb/Geelong), Aug-Sep (Adelaide), Oct (Perth), Nov (Adelaide).
trees.org.au →Stewart Park, Ithaca, NY
NYSAA-run state comp; gear inspection + Belayed Speed Climb on Friday. Winner represents NY at ITCC.
nysarborists.com →Hobart, Tasmania
TAS leg of the ISA TRAQ 3.0 qualification.
trees.org.au →Wellington, New Zealand
NZ Arb-hosted TRAQ 3.0 — only NZ delivery confirmed for 2026.
nzarb.org.nz →Host city rotates · check ISA Europe for 2026 venue
The continental championship — top climbers from each ISA Europe chapter compete; winners advance to ITCC.
itcc-isa.com →Melbourne / Geelong, Victoria
Second VIC TRAQ delivery for 2026.
trees.org.au →Detroit, Michigan
The global flagship arborist conference. Hundreds of sessions, the international expo floor, thousands of attendees from every continent. If you're going overseas for one event, this is the one.
isa-arbor.com →Adelaide, South Australia
Adelaide TRAQ 3.0 delivery.
trees.org.au →Aroona Park, Caloundra, QLD · Sunshine Coast Council approval pending
QLD's state ISA-format climbing comp run by QAA — qualifier for the national ATCC.
qaa.net.au →Niagara Parks Botanical Gardens, Niagara Falls
Provincial climbing comp; ISA Ontario membership required to register.
isaontario.com →War Memorial Park, Coventry, UK
The UK's flagship climbing comp — winners go on to represent UK & Ireland at ETCC and ITCC.
trees.org.uk →Oregon Convention Center, Portland
Premier UVM gathering — 1,500+ utility foresters, vegetation managers, contractors.
treesandutilities.org →Ragley Estate, Warwickshire, UK
UK's largest forestry, woodland and arboricultural exhibition — 50th anniversary edition. Includes World 25-m Pole-Climbing Championships, European Chainsaw Carving Championships, UK Speed Tree-Climbing, 320+ exhibitors. Husqvarna is headline partner. Unmissable.
apfexhibition.co.uk →Boise Centre, Boise, Idaho
Pacific Northwest ISA's flagship annual education conference.
pnwisa.org →Lancaster University, UK
The UK's main amenity arboriculture conference — typically 3 days in early/mid September. Specific dates pending; Call for Abstracts already issued.
trees.org.uk →National Wine Centre, Adelaide · annually early September
Australia's premier urban-forestry research event — 2 days of talks for council arbs, consultants, contractors interested in street-tree science.
treenet.org →St Louis, Missouri
The world championship of tree climbing — 50th anniversary edition. National champions from every continent compete across the five disciplines. The pinnacle event for any working climber.
itcc-isa.com →Perth, Western Australia
Perth TRAQ 3.0 delivery.
trees.org.au →Broward County Convention Center, Fort Lauderdale · pre-con workshops Nov 11
World's largest tree care industry trade show — gear, trucks, education, pre-con safety/climbing workshops. Run by TCIA.
expo.tcia.org →Adelaide, South Australia
Second Adelaide TRAQ 3.0 of the year.
trees.org.au →Tauranga, New Zealand · in association with Asplundh
NZ's flagship arborist conference + trade show + the NZ NTCC. Awards dinner, technical sessions, exhibitor floor. Men's and Women's NTCC winners go to ITCC.
nzarbconference.co.nz →Bangkok, Thailand · annual recurring
Hosted by ISA + Thai Arboriculture Association — first time in Bangkok. The regional comp where AP climbers (incl. AU/NZ) qualify for ITCC.
itcc-isa.com →Cherry Valley Hotel + Ohio Event Center, Newark, Ohio
Theme "Innovation in Arboriculture" — ~600 commercial, municipal and utility tree care pros.
ohiochapterisa.org →Myrtle Beach, South Carolina
Largest southern US arborist gathering — education, trade show, networking for all roles.
isasouthern.org →Wellington Botanic Garden, Kelburn
Lower-North-Island NZ regional comp — work climb, speed, throwline, aerial rescue, masters.
nzarb.org.nz →Renningers, Mount Dora, Florida
45-climber state comp (5 spots reserved for women, 4 for out-of-state). Winner advances to ITCC.
floridaisa.org →Victoria · VTIO-run, Melbourne metro
Victorian state climbing comp run by VTIO — qualifier for the national ATCC.
vtio.org.au →WNC Agricultural Center, Fletcher, NC · pre-con Apr 8
2.5 days, 40+ sessions, 75+ exhibitors, indoor + outdoor demos on climbing, rigging, cranes, safety.
arborfestexpo.com →Long Beach Reserve, Sandy Bay, Hobart, TAS
The national champs — Speed Climb Friday, prelims Saturday, Masters Sunday. Husqvarna major partner. Winner represents AU at APTCC/ITCC. Includes the New Arborist of the Year comp on the Sunday.
trees.org.au →Hobart Convention & Exhibition Centre (Grand Chancellor), TAS
Australia's flagship arboriculture conference + sold-out trade show. Theme "Enhancing Tree Biomechanics and Effective Canopy Management" with international speakers Frank Rinn and Ondrej Kolarik.
arbausconference.com.au →Melbourne (16–17 Apr) · Sydney (20–21 Apr) · Perth (23–24 Apr)
2-day technical tree inspection workshops with Frank Rinn (RINNTECH) covering tree structure, safety evaluation and advanced inspection techniques.
trees.org.au →Cornwall Park, Auckland
Auckland regional ISA-format comp — biggest of the NZ regionals; qualifier for the NZ National TCC.
nzarb.org.nz →James Madison's Montpelier, Orange, Virginia · gear check Apr 17
Free, public-friendly two-day regional climbing comp on historic grounds.
mac-isa.org →Melbourne, Victoria
First Melbourne ISA TRAQ 3.0 delivery for 2026.
trees.org.au →Yosemite, California
Theme "Full Circle Arboriculture" — flagship US west coast arborist conference.
wcisaconnect.com →Perth Hills Discovery Centre, Mundaring
Free family-friendly state-level WA climbing comp with chipper / equipment trade displays.
mundaring.wa.gov.au →Typically City Park, Launceston / Hobart
Tasmanian Arboricultural Organisation's state climbing comp.
facebook.com/TasArbOrg →Typically Orton Bradley Park, Canterbury
South Island regional NZ Arb climbing comp — qualifier for the NZ National TCC.
nzarb.org.nz →No events match this filter yet. Got one we're missing? Drop it in #general-bs.
There's no central calendar for the arborist trade. Every event runs off its own website, its own Facebook group, its own email list. You miss things because they were buried in a state association newsletter you didn't see.
ARBCLUB members suggest events here. The team checks links and adds them within a day. Free for everyone — Sapling, Trunk, Canopy, even guests. Safety, skill and community are how this trade gets better. Hard to do that if you didn't know the workshop was on.
Dates marked "TBC" haven't been confirmed by the organising body for 2026. Always check the official source before booking flights. Note: the UK ARB Show 2026 was cancelled by the Arboricultural Association.