- Public water
- Licence required
- Fly only
Start with CDC Emerger (16-20) on a As per local method. If that does not produce, switch depth or speed before changing the pattern entirely.
A fry-imitating pattern stripped through the margins can save a blank in autumn.
Keep an eye on changing conditions — wind shifts and cloud breaks can trigger short feeding spells.
Good ripple suits both bank and boat. Bank: work inflows, dam walls, and points. Boat: broadside drift covering wind lanes.
Hatch predictions
Top nymph shown — see all 2 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 4 as a supporter.
Start free trial14-day free trial. Cancel anytime.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
- Cantabria licence required; check the annual normativa for size limits, quotas and any seasonal closures on this reservoir
- Atlantic salmon and barbel are also present — salmon are protected and seasonal.
A good match for Embalse de Alsa — most conditions are close to what it fishes best in.
Terrain map
- Wind conditions (ripple) closely match what this water fishes best in.
- Cloud cover (cloud) suits the fishery well.
Embalse de Alsa
Start with CDC Emerger (16-20) on a As per local method. If that does not produce, switch depth or speed before changing the pattern entirely.
A fry-imitating pattern stripped through the margins can save a blank in autumn.
Keep an eye on changing conditions — wind shifts and cloud breaks can trigger short feeding spells.
Good ripple suits both bank and boat. Bank: work inflows, dam walls, and points. Boat: broadside drift covering wind lanes.
Hatch predictions
Top nymph shown — see all 2 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Top prey shown — see all 4 as a supporter.
Start free trial14-day free trial. Cancel anytime.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
- Cantabria licence required; check the annual normativa for size limits, quotas and any seasonal closures on this reservoir
- Atlantic salmon and barbel are also present — salmon are protected and seasonal.
A good match for Embalse de Alsa — most conditions are close to what it fishes best in.
Terrain map
- Wind conditions (ripple) closely match what this water fishes best in.
- Cloud cover (cloud) suits the fishery well.