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

The stretch below the Santa Teresa reservoir is where the modern Tormes reputation lives.

Today · Not the day for it
Czech Nymph
Forecast · Today
Not the day for it
Not much stacked in your favour today. Worth an hour if you are nearby, not worth the special trip.
45% projected
Today's fly
Czech Nymph
Czech Nymph
Conditions on the water · Today
Live gauge
Level
Rising
1.23 m
Lifting fast
Water temp11.5°C
ClarityUnfishable
Weather19°C
WindN 35 km/h
Pressure1018 hPa
Rain · recent0.3 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
12°C est.ideal 16–24°C
0°14°28°
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
Caddisflies
Chironomids
Damselflies & dragonflies
Gammarids
Hatch timeline · todayPeak at 2pm

12pm(now) — Daddy Long Legs

Stage: On emergersApproach: Emerger or dryActivity: 30%
Also:Autumn Olive29%
Weather boostDegree-days at peak9 food groups active

Peak activity at 2pm — Brown Sedge (Brown Sedge, Weather boost)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds as a supporter.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 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 · September 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
Barbel fly box
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.
  • Castilla y León fishing licence required
  • Four cotos on the Tormes in Salamanca province, all under mixed or catch-and-release regimes
  • The Junta says most of these sections require C&R for trout
  • Free-access stretches are generally sin muerte with a valid licence
  • Check the annual Castilla y León tramo map and order before travelling — detail is section-specific.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Río Tormes — Villagonzalo II (Hucho)
18 km
20
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
About this water

The stretch below the Santa Teresa reservoir is where the modern Tormes reputation lives. The Junta de Castilla y León describes this as one of the best trout-water sections in Salamanca province — water where trucha común lives and reproduces, not just stocked put-and-take. The managed beats are El Chorrón, Tormes, Galisancho, Tormes I, and Alba de Tormes — collectively covering over 27 km of access-improved river. Below these trout beats, the Villagonzalo II coto holds Spain's only legal hucho fishery (see separate entry). This is a bigger, more fertile, regulated river than the upper Tormes — think tailwater character with steady flows, depth changes, and fish that respond to methodical, structure-oriented fishing rather than romantic dry-fly covering of pretty pocket water.

  • Mixed
The full read · show the working · for Barbel · confidence 65%
Good · river comfort — temperature and flow led
Water temperatureWater temp 11.5°C — workable but sub-optimal.
FlowStable flow — fishable but not the prime trigger.
LightMixed light — workable.
SeasonPrime month for this species.
Water clarityWater clarity clear — read accordingly for barbel.
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
What would change the calculation
Water nearer the species’ warm comfort band would lift the temperature score.
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
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