Freestone · Limestone · Castilla y León, ES

Río Luna

Río Luna — Río Luna por Santa Eulalia de las Manzanas 04

The Luna flows through spectacular mountain limestone country above Villablino — a 45 km freestone river of outstanding clarity and selective browns.

Today · Closed season
Frenchie
Forecast · Today
Closed season
Out of season. Try elsewhere.
75% projected
Today's fly
Frenchie
Frenchie
Conditions on the water · Today
Live gauge
Level
Falling
0.22 m
Dropping after lift
Water temp4.7°C
ClaritySlightly coloured
Weather8°C
WindN 17 km/h
Pressure1013 hPa
Rain · recent20.8 mm
Rain · ahead7.3 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Brown Trout
Cool — slow
5°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Likely species
Gammarids
Hatch timeline · todayQuiet day

Low insect activity predicted today

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 4 guilds as a supporter.

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Evidence
Survey-backed · regionalHigh confidence

Backed by regional invertebrate surveys; no sampling on this exact reach yet.

Through the year
0–3 scale · November highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
2
2
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • Castilla y León fishing licence required
  • Many premium trout waters use the Junta's tramo-based management system, including EDE sections, so check the exact section and current rules before travel.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Río Omaña
14 km
0
Brown trout
Río Torío
26 km
0
Brown trout
Embalse de Barrios de Luna
4.0 km
Carp · Brown trout
Río Bernesga
19 km
Brown trout
Río Lena
40 km
Brown trout
Gallery · 2
  1. Río Luna — Río Luna por Santa Eulalia de las Manzanas 04
    Río Luna por Santa Eulalia de las Manzanas 04
  2. Terrain map of the venue
    Terrain map
About this water

Emerges from a dramatic slate gorge with excellent insect habitat and productive pocket-water. Dam regulation maintains consistent summer flows supporting strong mayfly and sedge hatches April–July. The 5-hour response time and excellent clarity make this ideal for technical dry-fly work.

  • Limestone
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown

WFD classification · ES020MSPF000000074

The full read · show the working · for Brown Trout · confidence 55%
How the 0 is built — score × weight = contribution
Temperature17 × 28%4.8
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity33 × 12%4.0
Limiting factor: Water temperature (4.5°C) is outside Brown Trout's preferred range (10–16°C)= 60
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout Last Sunday of March → 31 July
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts
At a glance

Río Luna is a freestone river in Castilla y León, Spain. Its recorded elevation is about 999 m above sea level and the catchment geology is limestone. The river is described as roughly 45 km long. The species listed for this water is brown trout. The trout season is recorded as running from Last Sunday of March to 31 July. Best window recorded for anglers: March–July (season); best dry fly May–June. Core methods listed: dry fly; nymph; streamer or wet fly on larger reaches. Level and flow data for this water is linked from the gauge “Luna-Sena de Luna (alpine headwater, EA532) + Barrios de Luna release (EA122) + La Magdalena (lower freestone fishery, EA075)”. Its Water Framework Directive ecological status is recorded as moderate. Nearby waters in our listings include Embalse de Barrios de Luna at 4.0 km, Río Omaña at 14 km and Río Bernesga at 19 km.