Soggy & Foxglove River

[angelroble]

The maps from RoR AP depicts two rivers (Foxglove and Soggy), which lead from the sea through the SE. Though, there is surely any hill or mountain range where they could be "born"?? (btw dont know if thats the English word).
Are they a split from Yondabakari river?

[Jeven]

They probably just fade out into shallow streams and brooks amongst the rolling hills of the countryside.

You could also have a spring or underwater channel at the source since the landscape is full of limestone tors.

[PFWiki Scribe]

This doesn't explain where they originate (as no map shows this) but:

Soggy River
Foxglove River