|A classification scheme for the difficulty of trails for mountainbiking, with artificial obstacles.|
|Used on these elements|
|Tools for this tag|
The Trail Difficulty Rating System shall be used for bikeparks, this applies for instance to North Shore. It is adapted to mtb trails with artificial obstacles. For "natural" trails it is advised to use the mtb:scale and mtb:scale:uphill.
Graphics reused with permission from IMBA.