Map of the Technical Level of the river Sella and river Ponga (affluent of th river sella), created according to article 9 (scale of difficulties) of the General and Technical Regulation of the Real Spanish Federation of Canoeing.

See Map River Sella

See Map River Ponga

The scale plotted on the Map is interpreted of the following way:

Level I: Easy. Calm waters without any difficulty of navigation.

Level II: Small difficulties, with currents, prey and expresses without difficulty. Nonapt for boats of track or speed. Advisable the life jacket use and helmet.

Level III: Difficult navigation. It is obligatory from this Level the helmet and the life jacket. Alive current, frank expresses, demand dominion of the boat. Nonapt for boats of track or speed.

Level IV: Very difficult. But without danger for trained palistas. Nonapt for boats of track or speed. Obligatory the life jacket use and helmet.

Level V: Extremely difficult navigation. Dangerous. Only for trained and perfectly prepared palistas. Nonapt for boats of track or speed. Obligatory the life jacket use and helmet.

Level VI: Insurmountable. Impassable. Without navigation possibility.