There are nearly 23,000 rivers within Ukraine. Its longest river, the Dnieper, courses through the country for more than 600 miles (966 kilometers). Other major rivers include the Dniester, Donets, Southern Buh, and Danube. At one point before it empties into the Black Sea, the Danube River's northernmost channel forms the boundary between Ukraine and Romania. Within Ukraine almost.
The most interesting, most picturesque area of Dnister is “Dnister Canyon”, 250 km segment from the mouth of Gold Linden-tree (Zolota Lypa) to the mouth of Zbruch. Here Dnister flows in a canyon valley with depth 80-200 m. The canyon nature is original and unique. Geological, botanical, archaeological, hydrological sights form unique landscapes here. In separate places there are areas with valuable arboreal or shrub breeds, age-old and exotic things trees.