Early Bird Pricing Now Live
October 1-4, 2026
at Camp Gallagher in Lake Bay, WA
Conference Focus:
Putting people in trees to discover new perspectives.
Explore how treehouses inspire a fresh outlook on the world and transform the way we experience nature.
Who Attends?
The Annual World Treehouse Conference attracts an eclectic mix of enthusiasts from around the world:
Professional and amateur builders
Arborists and tree care specialists
Architects and designers
Structural engineers
Net builders and fabricators
Tree climbing professionals
Entrepreneurs and hospitality operators
Educators and environmental advocates
Whether you're a seasoned professional or a passionate hobbyist, you'll find yourself among kindred spirits who understand the unique challenges and joys of treehouse construction.
Why Attend?
Share Your Projects: Showcase your latest designs and builds with an appreciative audience
Learn New Techniques: Discover safe building practices that protect both people and trees
Explore Tree Ecosystems: Deepen your understanding of the living structures that support our work
Experience New Technology: Get hands-on with state-of-the-art hardware and climbing equipment
Collaborate: Brainstorm solutions to common challenges with fellow experts
Build Community: Form lasting connections with the most passionate minds in the treehouse world
What’s Included?
Full conference access - Thursday Evening through Sunday. (October 1st - 4th, 2026)
Workshops, demonstrations, and panel discussions
Saturday Night’s Keynote Speaker - TBD
Meals & non-alcoholic refreshments
Camping spot from Thursday evening - Sunday morning (October 1st - 4th, 2026)
Space is limited to 120 participants. Early registration is strongly recommended to secure your place.
A New Chapter
Camp Gallagher in Lakebay, Washington
After many successful years at Out'n'About Treesort in Takilma, Oregon, we’re thrilled to announce that the 2026 World Treehouse Conference will be held at the breathtaking Camp Gallagher in Lakebay, Washington. Just 1.5 hours from Seattle-Tacoma Airport, this stunning venue offers a perfect blend of inspiration and tranquility. Nestled along the shores of Case Inlet in the South Puget Sound, attendees will enjoy forested trails, beachside exploration, peaceful waterside views, and even a treehouse – all while connecting with our global community of treehouse enthusiasts.
Explore Camp Gallagher
Conference Schedule
Friday
TBD
Saturday
TBD
4:00 – 6:00 PM — Keynote
6:30 PM — Dinner
Sunday
TBD
Please note: This schedule is subject to change as additional speakers, workshops, and activities are confirmed. Check back for the latest updates.
