Glandwr
2 fish species: Brown / sea trout, Bullhead
Fish records for anglers
Olchon Brook
Explore 5 fish species recorded at 6 places along the river from 1989 to 2025.
Records updated10 August 2026Most recent survey: 2025
- Fish species
- 5
- Places surveyed
- 6
- Survey visits
- 25
- Records span
- 1989–2025
Explore the river
See where fish were found
6 of 6 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 | 6 | 25 | 14 Aug 2025 |
| Cottus gobio | 6 | 21 | 14 Aug 2025 |
| Anguilla anguilla | 3 | 6 | 19 Sept 2012 |
| Phoxinus phoxinus | 1 | 1 | 22 Aug 1995 |
| Barbatula barbatula | 1 | 1 | 11 Jul 1989 |
These totals show where a species has been recorded, not how many are in the river today.
Latest activity
Recent survey visits
Glandwr
1 fish species: Brown / sea trout
Brass Knoll
3 fish species: Brown / sea trout, Bullhead, European eel
Glandwr
2 fish species: Brown / sea trout, Bullhead
About this page
Useful context
This page follows survey locations along the main Olchon 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 →