There is a basic difference between grades of difficulty on MTB trails and single trails. But it is similar to the system of ski slope classification - classified into blue, red and black MTB trails and single trails.
Lars Lotze
Province of Tyrol - Department for Forestry Conservation
Bürgerstr. 36, 6020 Innsbruck
info@bergwelt-miteinander.at
Tel.: +43 512 508 4603
