Tree Climbing Technique
“Technical” (rope and harness) tree climbing is a fun and relaxing activity, but it requires patience and practice to master. The skills required are fairly easy to learn, and just about anybody —no matter their age — can do it! It is also one of the safest activities on earth – to date we know of no incidents anywhere in the world in which a recreational tree climber using the TCI system and safety protocols has fallen or gotten hurt.
Like most sports, learning by reading is very difficult. The best way to learn to climb is by taking a hands-on class, TCI’s Basic Tree Climbing Course, or something close to it, taught by a well-trained instructor. If that’s not possible, we suggest you take our "At Home Basic Tree Climbing Course," which combines an extensive online manual with our DVD, "Tree Climbing Basics". Either course provides all the information you need to start your tree-climbing pursuits.
Learning by doing is always the best way to learn tree climbing. Our aim here is simply to give you a sense of what recreational tree climbing is, that is, a definition of the basic techniques and a general description of how it’s done. You may want to browse our photo Galleries to see climbers in action. It will also be helpful for you to take a look at our "All About Gear" section to become familiar with the different types of equipment that are used.
Basic Tree Climbing Techniques
There are two basic tree climbing techniques: doubled-rope technique (DRT) and single rope technique (SRT). DRT is simpler and safer, making it the preferred method for beginning climbers. DRT is more commonly used in trees that grow up to 100 feet tall: oaks, poplars, maples, and pines, for example. SRT is the more appropriate method for climbing taller trees, like redwoods, spruce, firs, and the other species which can grow to a height of 300 feet or more.
- Doubled rope technique: The rope is draped over a branch, and both rope ends are used in a series of climbing knots which allow the climber to ascend and descend. When the climber isn’t moving, the main knot, called a modified Blake’s hitch, automatically holds him safely in place. Whenever climbers want to pause and enjoy the view, all they have to do is let go. Stopping in mid-air also gives the climber the thrill of being in height with complete safety.
- Single rope technique: One end of the rope is anchored to a branch or the base of a tree, and the climber ascends the other end of the rope by means of some type of mechanical device attached to it. The most common of these devices is a set of mechanical ascenders, two one-way metal handles attached to the rope by which the climber “inchworms” up the rope. This method of climbing makes better use of the climber’s legs, so it is less strenuous than DRT; but it also requires more equipment. Some SRT systems require the climber to switch over to a different device in order to descend, which makes climbing a bit more complicated and adds additional risk to the novice. However, there are now devices made for both ascending and descending. See our "Ascending" and "Descending" Tools pages for more information about these mechanical devices.
No matter which system is used to climb, there are two primary concerns: safety for the climber, and care for the tree being climbed. With this in mind, there are five cardinal rules for recreational tree climbing:
- Never take yourself off rope protection while aloft!
- Use appropriate equipment.
- Always use some form of branch protection when climbing with DRT.
- Never climb with leg spikes.
- Do not unnecessarily prune tree branches.
See our Safety Guidelines page for safe and responsible tree climbing protocols and additional information.
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