Freestone · Mixed · Castilla y León, ES

Río Ebro (Burgos — Las Merindades to Miranda)

Río Ebro (Burgos — Las Merindades to Miranda) — Frías

The Ebro through Burgos province — from the Cantabrian-Burgos border at Arroyo, through Las Merindades, to Miranda de Ebro on the Álava boundary.

Poor · Brown Trout
Pheasant Tail Nymph · 14-18
Closed season
Out of season. Try elsewhere.
Closed — confidence not applicable today.
What moved it
  • Level0.94 mLast reading 2h ago
  • Water temp8.2°C
  • ClarityClear
Today's fly
Pheasant Tail Nymph
Pheasant Tail Nymph14-18
High-confidence seasonal pick
Conditions on the water
Live gauge
Level
Steady
0.94 m
Last reading 2h ago
Water temp8.2°C
ClarityClear
Weather14°C
WindN 17 km/h
Pressure1024 hPa
Rain · recent0.0 mm
Rain · ahead0.1 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
8°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
Stoneflies
Gammarids
Hatch timeline · todayPeak at 1pm

Hatch predictions

Today's headline hatch shown — see all 11 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 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 · October 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 (Burgos) licence required
  • Check JCyL pesca visor for Las Merindades tramo allocations between Trespaderne and Miranda.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Río Jerea
3.0 km
0
Brown trout
Río Omecillo
24 km
0
Brown trout
Río Trueba
26 km
0
Brown trout
Río Nela
26 km
0
Brown trout
Río Carranza
48 km
0
Brown trout
Gallery · 2
  1. Río Ebro (Burgos — Las Merindades to Miranda) — Frías
    Frías
  2. Terrain map of the venue
    Terrain map
About this water

The Ebro through Burgos province — from the Cantabrian-Burgos border at Arroyo, through Las Merindades, to Miranda de Ebro on the Álava boundary. This is bigger water than the Las Merindades tributaries: a true middle river, partly regulated, with longer holding pools and slower clearance. Wild brown trout dominate, with some coarse fish in the lower stretches. Best fished from late April through June; the middle reaches around Trespaderne and Frías hold the most accessible water.

  • Mixed
The full read · show the working · for Brown Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature68 × 28%19.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure80 × 7%5.6
Insect activity58 × 12%7.0
Conditions total= 74
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.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout Last Sunday of March → 31 July
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts