Beauty of river Kupa

Spring of the river we love is in the Risnjak national park. Kupa is longest river in Croatia.

We love the part in mountain region, Gorski Kotar. Beautiful canyon a Christal clear drinkable water is enough for us.

For rafting Kupa is most of the time class II river. But after heavy rains and in the spring when snow melts Kupa can be class IV whitewater.

Best part of the river is from Sedalci village to Kuželj. Few good rapids and breathtaking scenery make your trip unforgettable .

river Kupa is also border between Slovenia and Croatia. But border here is something that links two countries.
International Scale of River Difficulty
There are six levels each referred to as “Grade” or “Class” and then a number. The scale is not linear, nor is it fixed. For instance, there can be hard grade twos, easy grade threes, and so on. The grade of a river may change with the level of flow. Often a river or rapid will be given a numerical grade, and then a plus (+) or minus (-) to indicate if it is in the higher or lower end of the difficulty level. Also note that while a river section may be given an overall grading, it may contain sections above that grade, often noted as features, or conversely, it may contain sections of lower graded water as well. Details of portages may be given if these pose specific challenges.

• Class I: Easy.Waves small; passages clear; no serious obstacles.
• Class II: Medium.Rapids of moderate difficulty with passages clear. Requires experience plus suitable outfit and boat.
• Class III: Difficult. Waves numerous, high, irregular; rocks; eddies; rapids with passages clear though narrow, requiring expertise in maneuvering; scouting usually needed. Requires good operator and boat.
• Class IV: Very difficult.Long rapids; waves high, irregular; dangerous rocks; boiling eddies; best passages difficult to scout; scouting mandatory first time; powerful and precise maneuvering required. Demands expert boatman and excellent boat and good quality equipment.
• Class V: Extremely difficult.Extremely difficult. Exceedingly difficult, long and violent rapids, following each other almost without interruption; riverbed extremely obstructed; big drops; violent current; very steep gradient; close study essential but often difficult. Requires best person, boat, and outfit suited to the situation. All possible precautions must be taken.
• Class VI (or U) Formerly classified as unrunnable by any craft. This classification has now been redefined as unraftable due to people having recently kayaked multiple Class VI around the world.

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