Britannica
Sources used in this answer
Which tributary marks the start of the Vistula River’s middle course?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Vistula River
The Elbe, Oder, and Vistula river basins and their drainage network.
The middle course of the Vistula River begins at the confluence of the San River. This section of the river extends for approximately 170 miles, ending at the mouth of the Narew River northwest of Warsaw.1