Freestone · Limestone · Castilla y León

Río Trueba

Río Trueba venue image
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A Las Merindades trout river rising in the Sierra Salvada above Espinosa de los Monteros and falling east into the Nela near Medina de Pomar.

Species

About as good as it gets

Low and clear — careful approach country. Take your time — read the water before you cast.

75% confidence in this read
Water temperature for brown trout
Ideal
10°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
  • Temperature10028% weight
  • Flow8022% weight
  • Clarity9518% weight
  • Feeding Time5013% weight
  • Pressure807% weight
  • Insect activity5212% weight
Conditions
Level
0.29 m
Water temp
10.4°C
Estimated
Clarity
Clear
Air temp
14°C
Wind
E 3 km/h
Calm
Pressure
1016 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
3.9 mm
Light rain · next 48h

Live readings — water temperature is an estimate where the gauge does not record it.

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.
Why this works
Excellent — water temperature is right today, though time of day could be better.
Through the year
0–3 scale · June highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2

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

Gallery · 1
  1. Terrain map of the venue
    Terrain map
Permits & access
Permit required — see local rules.
  • Castilla y León licence required
  • Burgos provincial tramo system applies — check JCyL pesca visor before fishing.
Directions
Apple MapsGoogle Maps
About this water

A Las Merindades trout river rising in the Sierra Salvada above Espinosa de los Monteros and falling east into the Nela near Medina de Pomar. The Trueba is one of northern Burgos's most respected wild brown trout rivers — limestone-influenced freestone geology, clear water, classic pool-riffle structure through wooded country. Heavily fished by anglers from Madrid and the Basque country. Best in the middle reaches between Espinosa and Trespaderne from late April through July; the upper Sierra Salvada gorges hold up later.

  • Limestone
Seasons & zones
  • TroutLast Sunday of March → 31 July
Other water nearby · 5