At Mrzlek take 405 thru Gornje Vreme to Vremski Britof. At Vremski Britof turn left and take 940, cross the river Reka (“Reka” in Slovenian means river) to 409.
Once at 409, you can follow it left to Portorož. Or take the nearby A1 motorway.
Mrzlek-Matavun
