The IMBA Trail Difficulty Rating System is a basic method used to categorize the relative technical difficulty of recreation trails.
The IMBA Trail Difficulty Rating System can:
This system was adapted from the International Trail Marking System used at ski areas throughout the world. Many trail networks use this type of system, most notably resort-based mountain biking trail networks. The system best applies to mountain bikers, but is also applicable to other visitors such as hikers and equestrians. These criteria should be combined with personal judgment and trail-user input to reach the final rating.
Guidelines on how to identify and map trails suitable for bikers on handbikes and mountain tandems
Equipment for adapted mountain biking
A mountain tandem is a mountain bike that can be ridden by an impaired person if accompanied by a rider seating on the front seat; mountain tandems have two wheels, two seats and two handlebars. They can be equipped with suspension and pedal assist.
A handbike is an adapted tricycle that can be ridden by a reduced mobility person; it has wide tyres and can be equipped with suspensions and pedal assist; this guidelines do not apply to triride.