- Free fishing
- Fly only
Start with Diawl Bach (12-14) — on the bob / top dropper — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
Fish early and late, try deeper during the heat of the day with a fast-sinking line.
Watch for Sedge towards evening — this could be the best window of the day.
Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.
Hatch predictions
Top prey shown — see all 5 with Pro.
Start free trial14-day free trial. Cancel anytime.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
No online booking — the only confirmed access route is a day ticket bought in person, in the nearest village.
A reasonable day here, though cloud isn't quite in the sweet spot.
Nant-y-moch reservoir looking North-East from Bryn Gwyn forest Terrain map
- Damsel Nymph is in its seasonal window, boosting the chance of targeted feeding.
Nant y Moch Reservoir
Start with Diawl Bach (12-14) — on the bob / top dropper — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
Fish early and late, try deeper during the heat of the day with a fast-sinking line.
Watch for Sedge towards evening — this could be the best window of the day.
Bank-only venue. Fish from accessible margins, points, weed edges, and inflows.
Hatch predictions
Top prey shown — see all 5 with Pro.
Start free trial14-day free trial. Cancel anytime.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
No online booking — the only confirmed access route is a day ticket bought in person, in the nearest village.
A reasonable day here, though cloud isn't quite in the sweet spot.
Nant-y-moch reservoir looking North-East from Bryn Gwyn forest Terrain map
- Damsel Nymph is in its seasonal window, boosting the chance of targeted feeding.