Freestone · Granite · Castilla y León / Ávila (Sierra de Gredos)

Río Tormes (upper — Sierra de Gredos)

The Río Tormes flowing through El Barco de Ávila in the lower upper-valley reach.

The upper Tormes rises on the northern slopes of the Sierra de Gredos — high-altitude granitic mountain water, cold and clear, dropping through pocket water, tight runs, and pools fringed with broom and pine.

Poor · Brown Trout
Klinkhammer · 14-18
Closed season
Out of season. Plenty of other water available now.
Closed — confidence not applicable today.
What moved it
  • Level0.26 mLast reading 43 min ago
  • Water temp18.8°C
  • ClarityClear
Today's fly
Klinkhammer
Klinkhammer14-18
Proven pattern for this period
Conditions on the water
Live gauge
Level
Steady
0.26 m
Last reading 43 min ago
Water temp18.8°C
ClarityClear
Weather21°C
WindSE 9 km/h
Pressure1017 hPa
Rain · recent0.0 mm
Rain · ahead2.9 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
Warm — slow
19°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Through the open trout season once snowmelt drops — late spring through the close. Sierra de Gredos altitude means the Tormes upper fishes later than the lower river.
Where
High-altitude Gredos pocket water through the Tormes headwaters. Pool tails and the seams behind boulders; the river is small intimate water.
Method
Short upstream dry-dropper to wild fish; nymph the deeper pockets between hatches. The Gredos water is clear and demanding — short casts, careful approach.
Kit
8'6 ft #3 to 9 ft #4 — small mountain stream. Floating line, 9 to 12 ft leader to 4 lb fluoro. Studded boots.
Why this works
Water at 18.8°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 6am

Hatch predictions

Today's headline hatch shown — see all 3 active hatches hour by hour with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

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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 · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Large Dark OliveHatch
1
2
2
1
Blue Winged OliveHatch
1
2
2
2
2
1
Autumn OliveHatch
1
2
1
GrannomHatch
1
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 autonómica fishing licence required
  • Coto de Zapardiel: sin muerte (C&R), barbless single hooks only
  • Permits allocated annually — apply through Junta portal
  • Free-access trout waters generally C&R
  • Season opens 21 March; verify exact tramo dates annually.
What's coming
Plan ahead
5-day outlook
Cooler water nearby · 1
Water here around 19°C — probably warm enough to stress Brown Trout . These are likely cooler.
Embalse de Santa Teresa
38 km
~18°C
Barbel · Carp · Pike
Gallery · 6
  1. The Río Tormes at La Angostura de Tormes showing the granite rounded-stone riverbed.
    Río Tormes at La Angostura
  2. The Río Tormes and Prado del Toro meadow at Navalperal de Tormes, entrance to the Gredos park.
    Río Tormes at Navalperal de Tormes
  3. The Río Tormes flowing through Navacepeda de Tormes, Ávila, below the Gredos massif.
    Río Tormes at Navacepeda
  4. The Tormes river route through the valley at Navarredonda de Gredos.
    Río Tormes at Navarredonda de Gredos
  5. The Río Tormes flowing through El Barco de Ávila in the lower upper-valley reach.
    Río Tormes at El Barco de Ávila
  6. Terrain map of the venue
    Terrain map
About this water

The upper Tormes rises on the northern slopes of the Sierra de Gredos — high-altitude granitic mountain water, cold and clear, dropping through pocket water, tight runs, and pools fringed with broom and pine. The centrepiece is the Coto de Zapardiel de la Ribera, a sin muerte beat from Puente de Navalperal de Tormes to the Garganta del Hornillo confluence. Wild brown trout of native Iberian lineage are maintained by the Centro Ictiogénico de Aliseda de Tormes, preserving Alto Tormes and Tiétar genetic populations. This is the Tormes that most trout anglers picture first: Puente del Congosto and El Barco de Ávila are the practical access hubs.

  • Granite
The full read · show the working · for Brown Trout · confidence 80%
How the 0 is built — score × weight = contribution
Temperature42 × 28%11.8
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure80 × 7%5.6
Insect activity64 × 12%7.7
Conditions total= 70
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 21 March → 31 July
Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts