Fortress Kymenlinna, where is it?

Fortress Kymenlinna is situated at the confluence of the eastern and western branches of Kymijoki River near to the old King's Road to Gelsingfors (national highway #7) not far from Kotka town. It is seen clearly from the highway, from the river and from the space too. There are numerous buses from Kotka and Hamina. The excursion to the fortress could be booked in Kotka summertime.