Fishing Calendar for Idrijca River, Slovenia
A fast, rocky tributary of the Soča running through the old mercury-mining town of Idrija, holding wild brown trout and grayling in pools shaded by steep forested banks.
Idrijca River right now
From the gauge at Podroteja I · 8 Oct, 03:00 · Open on River map →
On 8 October 2026 at 03:00 the Idrijca River at Podroteja I (1 km from this spot) was flowing at 1.6 m³/s, which the gauging agency rates as low flow, with the water at 9.5 °C.
The Idrijca River over the last 7 days
Readings every hour at Podroteja I, the gauge nearest this spot. The shaded band is the gauge's usual range over the last 30 days.
Flow
Water level
Water temperature
All gauges on the Idrijca River
2 official gauges along the river, the nearest highlighted. Flow is coloured as the gauging agency rates it: Low Normal High
| Gauge | Flow | Level | Water | Last 7 days |
|---|---|---|---|---|
| Hotešk 23 km away | 3.9 m³/s Low | 32 cm | 13.0 °C | |
| Podroteja Inearest 1 km away | 1.6 m³/s Low | 71 cm | 9.5 °C |
Best fishing times in October 2026
| Date | Moon | Sunrise | Sunset | Major periods | Minor periods | Efficiency |
|---|---|---|---|---|---|---|
| Thu 01 | Waning gibbous | 07:02 | 18:44 | 03:34–05:34, 16:07–18:07 | 09:51–11:51, 22:24–00:24 | 39% ●●○○○ |
| Fri 02 | Waning gibbous | 07:03 | 18:42 | 04:36–06:36, 17:10–19:10 | 10:53–12:53 | 78% ●●●●○ |
| Sat 03 | Waning gibbous | 07:04 | 18:40 | 05:39–07:39, 18:12–20:12 | 23:22–01:22, 11:55–13:55 | 98% ●●●●● |
| Sun 04 | Waning crescent | 07:05 | 18:38 | 06:40–08:40, 19:11–21:11 | 00:24–02:24, 12:55–14:55 | 84% ●●●●● |
| Mon 05 | Waning crescent | 07:07 | 18:36 | 07:37–09:37, 20:06–22:06 | 01:22–03:22, 13:51–15:51 | 47% ●●●○○ |
| Tue 06 | Waning crescent | 07:08 | 18:34 | 08:30–10:30, 20:57–22:57 | 02:16–04:16, 14:43–16:43 | 15% ●○○○○ |
| Wed 07 | Waning crescent | 07:09 | 18:32 | 09:19–11:19, 21:44–23:44 | 03:06–05:06, 15:32–17:32 | 14% ●○○○○ |
| Thu 08 | Waning crescent | 07:11 | 18:30 | 10:05–12:05, 22:30–00:30 | 03:53–05:53, 16:18–18:18 | 39% ●●○○○ |
| See efficiency and feeding times for every day in the Fishing Calendar app — get it for iOS or Android. | ||||||
| Fri 09 | Waning crescent | 07:12 | 18:29 | ····· | ····· | Unlock · iOS / Android |
| Sat 10 | Waning crescent | 07:13 | 18:27 | ····· | ····· | Unlock · iOS / Android |
| Sun 11 | New moon | 07:15 | 18:25 | ····· | ····· | Unlock · iOS / Android |
| Mon 12 | Waxing crescent | 07:16 | 18:23 | ····· | ····· | Unlock · iOS / Android |
| Tue 13 | Waxing crescent | 07:17 | 18:21 | ····· | ····· | Unlock · iOS / Android |
| Wed 14 | Waxing crescent | 07:19 | 18:19 | ····· | ····· | Unlock · iOS / Android |
| Thu 15 | Waxing crescent | 07:20 | 18:18 | ····· | ····· | Unlock · iOS / Android |
| Fri 16 | Waxing crescent | 07:21 | 18:16 | ····· | ····· | Unlock · iOS / Android |
| Sat 17 | Waxing crescent | 07:23 | 18:14 | ····· | ····· | Unlock · iOS / Android |
| Sun 18 | First quarter | 07:24 | 18:12 | ····· | ····· | Unlock · iOS / Android |
| Mon 19 | Waxing gibbous | 07:25 | 18:11 | ····· | ····· | Unlock · iOS / Android |
| Tue 20 | Waxing gibbous | 07:27 | 18:09 | ····· | ····· | Unlock · iOS / Android |
| Wed 21 | Waxing gibbous | 07:28 | 18:07 | ····· | ····· | Unlock · iOS / Android |
| Thu 22 | Waxing gibbous | 07:30 | 18:05 | ····· | ····· | Unlock · iOS / Android |
| Fri 23 | Waxing gibbous | 07:31 | 18:04 | ····· | ····· | Unlock · iOS / Android |
| Sat 24 | Waxing gibbous | 07:32 | 18:02 | ····· | ····· | Unlock · iOS / Android |
| Sun 25 | Waxing gibbous | 06:34 | 17:00 | ····· | ····· | Unlock · iOS / Android |
| Mon 26 | Waning gibbous | 06:35 | 16:59 | ····· | ····· | Unlock · iOS / Android |
| Tue 27 | Waning gibbous | 06:37 | 16:57 | ····· | ····· | Unlock · iOS / Android |
| Wed 28 | Waning gibbous | 06:38 | 16:56 | ····· | ····· | Unlock · iOS / Android |
| Thu 29 | Waning gibbous | 06:39 | 16:54 | ····· | ····· | Unlock · iOS / Android |
| Fri 30 | Waning gibbous | 06:41 | 16:53 | ····· | ····· | Unlock · iOS / Android |
| Sat 31 | Waning gibbous | 06:42 | 16:51 | ····· | ····· | Unlock · iOS / Android |
Fish of the Idrijca River
Species recorded along the gauged stretch of the Idrijca River, from GBIF occurrence ranges.
-
European grayling
Thymallus thymallus
-
Salmo marmoratus
-
European bullhead
Cottus gobio
-
Common nase
Chondrostoma nasus
-
Common barbel
Barbus barbus
-
Common dace
Leuciscus leuciscus
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Asp
Leuciscus aspius
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Gudgeon
Gobio gobio
-
Minnow
Phoxinus phoxinus
-
Wels catfish
Silurus glanis
-
Crucian carp
Carassius carassius
-
Silver bream
Blicca bjoerkna
Frequently asked questions
- Is the Idrijca River high right now?
- No. On 8 October 2026 the gauging agency rated the flow at Podroteja I as low (1.6 m³/s). This page shows the current reading of the nearest gauge whenever you open it.
- What fish are in the Idrijca River?
- Species recorded along the gauged stretch of the Idrijca River include European grayling, Salmo marmoratus, European bullhead, Common nase, Common barbel, Common dace. The list comes from GBIF occurrence ranges that cover the gauges, so it shows where a species has been recorded rather than how common it is.
- Where can I check the Idrijca River water level?
- 2 official gauges measure the Idrijca River from Hotešk to Podroteja I. Their latest readings are listed on this page and on the River map.
- When is the best time to fish at Idrijca River?
- The highest-rated day in the current month at Idrijca River is 10 October 2026, with a fishing efficiency of 100%.
- Do moon phases affect fishing at Idrijca River?
- Solunar theory links feeding activity to the moon's position. Major periods occur when the moon is overhead or underfoot, with shorter minor periods midway between them. New and full moons generally produce the strongest activity.
River data sources
Readings on this page come from official gauging stations: