The narrowest part of the strait is upstream, from Chanak to Kilid Bahr at where the channel turns north and widens for to Nagara Point, then the passage turns north-east for the final to the Sea of Marmora.
The narrowest part of the strait is upstream. This is from Chanak to Kilid Bahr at where the channel turns north and widens for to Nagara Point. The passage turns north-east for the final to the Sea of Marmora.