Complex sentence: Its source is Ilgaz Mountains, in Kastamonu Province and Karabük Province, it flows to the north, passes through in Bartın and empties into the Black Sea near Boğaz village in a delta.
Split into simpler sentences: Its source is in the Ilgaz Mountains, in Kastamonu Province and Karabük Province. The river flows to the north, passes through Bartın, and empties into the Black Sea near Boğaz village in a delta.