1: Very easy, ideal for beginners, without any off-road experience. There are no slopes, the route is almost flat. It is suitable for families with small children.
2: Easy route, requiring moderate off-road experience. It has a relatively good riding surface (asphalt, good dirt road, short stretches of dirt road with stones) and consists mainly of forest roads. The slopes range from 0% to 5% and do not exceed 10% in short sections.
3: Slightly more difficult route, requires off-road experience and good physical condition. The riding surface, in most of the sections, is mostly adequate gravel road but there may be holes, small obstacles such as logs, sticks and stones as well as potholes. Requires an MTB bike with appropriate equipment. The slopes are from 5% to 12% but not exceeding 17% in short sections.