By Founder & Teaching Arborist, School of Trees
Sean Harman ISA Certified Arborist MA-6197A
Professional tree climbing is not about getting into the tree — it is about maintaining control, stability, and safety while performing precise work. Proper climbing technique reduces fatigue, prevents injury, protects the tree, and allows for accurate pruning cuts.
Every movement in the tree should be intentional and repeatable.
All climbing systems and techniques must support these fundamentals:
If a position feels rushed, unstable, or awkward, it is not acceptable.

Your tie-in point determines your safety, reach, and work quality.
A proper TIP should:
Avoid tie-in points with:

Whenever cutting, climbers should maintain two independent points of attachment.
Examples:
Two points of attachment:
Never rely on a single attachment point while operating a saw.

Good work positioning keeps your body centered, supported, and out of the cutting plane.
Best practices:
If you cannot cut comfortably without stretching or twisting, reposition first.

A lanyard is a work positioning tool, not just a backup.
Use your lanyard to:
Lanyards should be adjusted deliberately — not left loose or forgotten.

Poor rope management creates hazards for both the climber and the tree.
Best practices include:
Never cut toward:

Efficient climbers move methodically, not reactively.
Key techniques:
Good movement reduces fatigue and improves cut accuracy.

Every cut should be made with:
Never cut:
A stable cut is a safe cut.

Fatigue leads directly to mistakes.
Reduce fatigue by:
Professional climbers work smarter, not harder.

Time saved by skipping setup is lost correcting mistakes.

Professional climbing and work positioning:
If your position does not feel controlled, it is not acceptable.

Every climber is responsible not only for how a cut is made, but why it is made. Professional judgment separates trained arborists from laborers.
Before each cut, climbers should be able to clearly answer:
Good pruning is intentional, conservative, and based on tree biology. Unnecessary cuts create unnecessary problems. When uncertainty exists, the correct action is to pause, reassess, and consult rather than proceed.
Professional arborists are judged by the long-term condition of the tree, not the speed of the work.

Trees respond to pruning over years and decades, not days. Every cut influences future structure, decay development, and maintenance needs.
Professional standards require that climbers:
Training does not end when the climb is complete. Continual observation, evaluation, and refinement of technique are essential to professional growth.
The goal of professional tree work is not simply to finish the job — it is to leave the tree safer, healthier, and better structured than before.
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