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.
65% confidence
What moved it
  • Level1.32 mLast reading 2h 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
1.32 m
Last reading 2h ago
Water temp11.2°C
ClarityClear
Weather21°C
WindNE 5 km/h
Pressure1026 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 12 active hatches hour by hour as a supporter.

Start free trial

14-day free trial. Cancel anytime.

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 as a supporter.

Start free trial

14-day free trial. Cancel anytime.

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.
  • 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
Fishing better nearby · 5
Río Tormes — Villagonzalo II (Hucho)
18 km
65
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 65%
Fair · river comfort — temperature and flow led
Water temperatureWater temp 11.2°C — workable but sub-optimal.
FlowStable flow — fishable but not the prime trigger.
LightSun on the water — favoured for sight-fishing and warming.
SeasonIn-season but not prime.
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
Booking & contacts