W174d
2 fish species: Brown / sea trout, Bullhead
Fish records for anglers
Gilwern / Back Brook
Explore 2 fish species recorded at 2 places along the river from 2003 to 2010.
Records updated10 August 2026Most recent survey: 2010
- Fish species
- 2
- Places surveyed
- 2
- Survey visits
- 3
- Records span
- 2003–2010
Explore the river
See where fish were found
2 of 2 places shown
Choose a point on the map to see what was recorded there.
Map points are approximate and don’t show fishing access. Check local permissions before visiting.
Fish in this river
Species recorded
Choose a fish to highlight the places where surveyors found it.
| Fish | Places found | Survey visits | Last recorded |
|---|---|---|---|
| Salmo trutta | 2 | 3 | 16 Sept 2010 |
| Cottus gobio | 2 | 3 | 16 Sept 2010 |
These totals show where a species has been recorded, not how many are in the river today.
Latest activity
Recent survey visits
W174a
2 fish species: Brown / sea trout, Bullhead
W174a
2 fish species: Brown / sea trout, Bullhead
About this page
Useful context
This page follows survey locations along the main Gilwern / Back Brook. Tributaries and unrelated rivers with similar names are kept separate.
The map shows past fish records, not fishing access or a promise of what you’ll catch today.
How RiverFish handles the data →