Tailwater · Mixed · Castilla y León / Salamanca (below Santa Teresa reservoir), ES

Río Tormes (Santa Teresa trout beats — Salamanca)

Río Tormes (Santa Teresa trout beats — Salamanca) — Aceña del Arrabal
Fair · Barbel
Perdigón (14–16, tungsten) · 14–16
Fairlive now
A side-water session, not the main event
River high but settled. Tributary pocket water is the better play today.
75% confidence
What moved it
  • Level1.31 mLast reading 5h ago
  • Water temp11.2°C
  • ClarityClear
Today's fly
Perdigón (14–16, tungsten)
Perdigón (14–16, tungsten)14–16
Search the runs and pockets, dead-drift near the bottom.
Conditions on the water
Live gauge
Level
Steady
1.31 m
Last reading 5h ago
Water temp11.2°C
ClarityClear
Weather12°C
WindS 5 km/h
Pressure1023 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

Water temperature for Barbel
Cool — slow
11°C est.ideal 16–24°C
0°14°28°

We have not characterised this dam's release, so this is a general cold-release figure and could be several degrees out in either direction. Treat it as a hint, not a reading, and check locally before you fish.

How to fish it · for Barbel
When
Summer through autumn — barbel feed in warmer water than trout enjoy. June through September is prime; fish move to deeper runs in midsummer heat.
Where
Slower deeper runs and the cushion behind boulders. Barbel hold below the trout water in summer warm; the lower Santa Teresa beats hold them reliably.
Method
Weighted nymphs upstream — Spanish-style heavy nymphing through the deeper runs. San Juan worm patterns and large weighted caddis pupa take well; strike on the slightest pause.
Kit
10 ft #4 nymphing rod with a heavy weighted point fly; 5 to 6 lb fluoro tippet. Studded boots — barbel water runs deeper and slicker than the trout reaches.
Why this works
Good — water clarity is working for you, but water temperature is the limiting factor today.
Likely species
Mayflies
Chironomids
Damselflies & dragonflies
Gammarids
Hatch timeline · todayQuiet day

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

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

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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
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Summer River MidgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1

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

Ranked for today
Fly box · Barbel
CDC Olive (16)
CDC Olive (16)
14–18 · Dry
Cast to rising fish and let it drift drag-free.
Permits & access
Permit required — see local rules.
  • Se requiere licencia de pesca de Castilla y León
  • Hay cuatro cotos en el Tormes en la provincia de Salamanca, todos bajo regímenes mixtos o de captura y suelta
  • La Junta indica que la mayoría de estos tramos exigen captura y suelta para la trucha
  • Los tramos de libre acceso son, en general, sin muerte con licencia en vigor
  • Comprueba el mapa y la orden anual de tramos de Castilla y León antes de viajar: el detalle es específico de cada tramo.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Río Tormes — Villagonzalo II (Hucho)
18 km
63
Brown trout · Barbel
Embalse de Santa Teresa
8.0 km
Barbel · Carp · Pike
Reservoirs near Salamanca / lower Tormes
20 km
Rainbow trout · Brown trout
Río Corneja system (research priority)
30 km
Brown trout
Zapardiel de la Ribera
37 km
Brown trout
Gallery · 2
  1. Río Tormes (Santa Teresa trout beats — Salamanca) — Aceña del Arrabal
    Aceña del Arrabal
  2. Terrain map of the venue
    Terrain map
The full read · show the working · for Barbel · confidence 75%
How the 63 is built — score × weight = contribution
Temperature37 × 28%10.4
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time55 × 13%7.2
Pressure75 × 7%5.3
Insect activity60 × 12%7.2
Conditions total= 63
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 16–24 °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
  • Barbel 1 January → 31 December

    Barbel is fishable year-round in Castilla y León's aguas libres, but a mandatory catch-and-release (zero-kill) window applies 1 May–15 July each year to protect spawning — anglers must release all barbel caught in that period (Orden MAV/1506/2025). This is a harvest rule, not a closure, so the season stays open throughout the year.

Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts