Dreta is an extremely beautiful river which flows into Savinja river. It is permitted to fly fish the whole stream. If you are a keen dry fly user, you will be impressed by the fishing success. Dreta is like Savinja one of the most attractive fly-fishing waters in Slovenia. It flows under the Savinjske Alps. It is extremely clean and unspoilt. It is inhabited mainly by brown trouts and rainbows.
More info:
http://www.urkofishingadventures.com/