A beautiful route along the northernmost edge - top of Karelia. And on top, is breathtaking when you see the ancient rock, pines, to meet with its unique nature, walking along the river, having the character is no longer quite the Karelian, and with explicit elements of a mountain river. Rare in Karelia thresholds of 4 km, 2-D and 3-speed, - here in the order of things. While rafting on Keret does not contain any item, like the previous one. From day to day growing complexity of the obstacles, the climax - the threshold Keret (Marine) and exit into the White Sea, where the travelers there is lots of interesting features of travel and rest on the sea islands.