Söderström is a river in central Stockholm that connects Lake Mälaren with the Baltic Sea. It runs south of Gamla stan from Riddarfjärden to Stockholms ström. It is one of two natural waterways betwee

Stockholms ström, also known as Strömmen, in Stockholm is the innermost part of Saltsjön, a bay of the Baltic Sea. It continues into Lake Mälaren through Norrström and Söderström.