Treehouse Guides
At The Treehouse Guide's sister site, you can order Treehouse Guides - simple step-by-step instruction manuals to create one of a range of treehouses. You can choose models suited for building in one tree, across two trees or on posts if you don't have trees. They are designed to suit people with little building experience.

Simple plan
An online guide at The Treehouse Guide which shows you how to build a small treehouse using simple materials.

Instructables: How to build a treehouse
Children's treehouse between two trees using easy to find materials.

Stiles Designs and Plans
The author of the most popular treehouse construction books offers occasional tips and plans you can order for building other garden structures. Surprisingly, there is little here on treehouses.

EZ Treehouse plans
Sales of a quick set of downloadable treehouse plans for a basic structure.

Family Fun
Process of a simple treehouse build.

Treeless treehouse
An open treehouse that can be built in a straight tree or onto a post.

Extreme treehouses
Popular Mechanics, March 2006
Comprehensive article showing some large treehouse projects and explaining the technology that holds them up.

Building a treehouse?
Info Today, April 2006
General introduction to treehouse building resources.

Why kids should branch out and build treehouses
Seattle Times, June 2006
Allowing children to take on a treehouse project themselves will teach them many useful lessons.

Dreamhouse in the trees
LA Times, August 2004
A lengthy article for a newspaper, covers all the basics and talks to several people who have built themselves or who got the experts in.

Out on a Limb Tree Houses for Adults (page 2)
The New York Times, March 2003
The build process behind a treehouse idea handled by Peter Nelson's TreeHouse Workshop of Seattle, WA. This page is hosted on this site, not on that of the New York Times.

Out on a limb
Findaproperty.com, Jun 2001
An overview of the progress of The Treehouse Company (then known as Peartree and now out of business).

Super Tree Houses
BusinessWeek Online, October 2006
Part of an article on treehouses, this is a slideshow of some of the best.

Out on a limb
The Independent Weekly, July 2006
Designing a treehouse with children in mind

'While you were out' builds tree paradise for family
Hosted on the Save Our Treehouse web site, this story has no date.

Where the wild things were
Guardian, July 2001
Article about the rise in popularity of treehouses.

Building a treehouse
Corner Hardware
Treehouse building tips

Building a treehouse
Mother Earth News, Aug/Sep 2001
Steps involved in treehouse building.

Excerpt from a garden decorating book
With a large English treehouse.

Living houses grown from trees
Growing a home from living trees instead of building a home from felled timber is the goal of an architect from the Massachusetts Institute of Technology.

New Tribe climbing equipment
All manner of specialist tree climbing equipment from this Oregon company.

Web Rigging Supply
All sorts of cable and chain related hardware.

Redwood Forest Ecology
Professor Stephen Sillett's accounts of climbing some of the world's tallest trees in California and Australia. The photo tours from high in the canopies of these trees are a real eye opener.

Tree Climbers International
A club devoted to tree climbing. You can become a member and travel all over the world to climb big trees.

Zip line project
Well documented home made zip line by Brian Greenstone.

Forestry Commission advice (PDF)
England Forestry Commission advice on dealing with outdoor structures built on Forestry Commission land. Has a realistic approach to the situation, suggesting that that these kinds of construction can be very beneficial to children and should only be prevented if obviously dangerous.

Tree Council (UK)
An organisation promoting the care of trees, particularly old and unique specimens.

Rainbow Play System (UK | USA)
Pre-fabricated ground based playhouses, complete with swings and playground accessories.

Build a web treehouse Simple Flash game to build a children's treehouse.