- Ecology: Good
- Chemical: Unknown
WFD classification · ES018MSPFES144MAR000840
Hatch predictions
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Hatch predictions
Top prey shown — see all 2 with Pro.
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Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.







WFD classification · ES018MSPFES144MAR000840
Piloña is one of the 2026 salmon-eligible stretches ("pilona_to_coto_infiesto_inclusive", up to Coto Infiesto), sharing the combined Sella-Piloña annual quota — this river's own is_salmon_river flag and species list previously didn't reflect that despite salmon_fly_pack_ref already pointing at the shared Asturias salmon fly pack. Above Coto Infiesto likely falls under the mountain-zone trout rules instead; the exact split point isn't verified here. Sella-Piloña basin quota for 2026: 52 salmon total (max 21 in zona libre).
Sea trout: Variable seasonal (2026)

Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.







WFD classification · ES018MSPFES144MAR000840
Piloña is one of the 2026 salmon-eligible stretches ("pilona_to_coto_infiesto_inclusive", up to Coto Infiesto), sharing the combined Sella-Piloña annual quota — this river's own is_salmon_river flag and species list previously didn't reflect that despite salmon_fly_pack_ref already pointing at the shared Asturias salmon fly pack. Above Coto Infiesto likely falls under the mountain-zone trout rules instead; the exact split point isn't verified here. Sella-Piloña basin quota for 2026: 52 salmon total (max 21 in zona libre).
Sea trout: Variable seasonal (2026)