Duration: 1 Day (8 hour day)
Setting: Your Facility, hands-on
Price: Request Training
Resources: Course material and workbooks
Certification: Woodland Trainers Association Trainers


A danger tree or a hazard tree is any tree or its parts that will fail because of a defect and cause damage to surrounding properties and structures or injury or death to people.

The course will consist of a combination of lecture, demonstration and practical. The majority of the course will be hands-on training at your facility or chosen location. These guidelines are intended for use with any forest activity, at any location and work site, including roads through forested areas, oil and gas, recreation areas, fire operations and are based on native tree species in the Prairie Provinces.

Topics Covered

Introduction: safe work practices, responsibilities, qualified person

Tree Identification: Identify and Tree Classification

Process for Tree Evaluation and Action: Identify tree defects and determine the tree’s potential to fail

Recognizing Tree Hazards

Failure Potential (FP)

Determine the type of work activity

Determine the potential Failure Zone

Action if a tree is a danger to people

N0-Work Zones and Wildlife/Danger Trees

Course Outline

Trees are a prime environmental feature in most recreation sites. Like all living organisms, they develop defects (faults or areas of weakness) with age. This is an ongoing natural process which ultimately leads to the structural failure of portions of a tree or the entire tree. On treed recreational sites, failures can result in property damage, personal injury, or sometime death.

Tree hazard control programs attempt to identify defective trees, assess the hazard posed by such trees, and implement measures designed to prevent accidents caused by their failures. Tree stability is determined by its location and the presence of defects, insects, disease, work activities, and weather conditions. If a tree is unstable, it may fail either partially or totally. If a tree fails; it is a danger to anyone, who may be struck by it.

Course Goals

1. To provide information to employers and managers that will help keep workers and others safe from exposure to dangerous trees in a forested workplace.

2. To provide information to qualified people

3. Recognize tree conditions and determine potential for tree failure.

4. Determine if a work activity could induce a tree to fail.

5. Determine a tree’s potential failure zone.

6. Assess if a tree presents a danger to people and use measures to mitigate danger.

7. Generate documentation of assessment for tree history, re-assessment, change in activity.


Upon completion of this 8 Hour training course, students will be issued a Woodland Trainers Association certificate from our individual instructors showing completion of training.