This may need the River S.W.A.T. team!

There are some basic rules to follow when doing rivers (unless of course you have a reason for them to be the way they are.).

  1. Think of a river system as something similar to a tree. The smaller tributaries, etc. (starting at higher elevations) they will 'merge' into larger branches, which will then in turn 'merge' into the main river course (the trunk) which empties into the sea/ocean.
  2. Lakes can have several 'sources' but will have only a single outlet.

Hopefully you'll get a couple of folks here to take you up on this, heck maybe I will if I have time.