Question 1

What fish species live in the Idrijca?

Accepted Answer

The Idrijca is home to the endemic marble trout, brown trout, rainbow trout, and grayling. The marble trout is the star attraction—a species found only in the Adriatic basin with distinctive marbled markings.

Question 2

Do I need a permit for the Idrijca?

Accepted Answer

Yes. Permits are issued by the Tolmin Angling Club (RD Tolmin). You can purchase daily or weekly permits online or from local vendors in Tolmin. All fishing is catch-and-release for marble trout.

Question 3

When is the Idrijca open for fishing?

Accepted Answer

The season typically runs from April 1 to October 31, though exact dates can vary. The river is divided into zones with different regulations. Check current dates when purchasing your permit.

Question 4

Is the Idrijca suitable for beginners?

Accepted Answer

The Idrijca can be challenging due to clear water and wary fish. However, some stretches near Idrija are more accessible. Hiring a local guide is recommended for first-time visitors to learn the water.

Question 5

What flies should I use on the Idrijca?

Accepted Answer

Small nymphs and dry flies in sizes 14-18 work well. Pheasant Tail and Hare's Ear nymphs are reliable choices. For dries, CDC patterns and sedge imitations are effective during evening hatches.

Idrijca – Fly Fishing