Spate · Mixed · Gipuzkoa, País Vasco

Urola

Urola — Urola
Tomorrow · About as good as it gets
Klinkhammer
Forecast · Tomorrow
About as good as it gets
On the feed top to bottom — start on the rises with a dry, drop a nymph if they stay down.
90% projected
Today's fly
Klinkhammer
Klinkhammer
Conditions on the water · Tomorrow
Live gauge
Level
Falling
0.25 m
Dropping after lift
Water temp14.8°C
ClarityClearing
Weather20°C
WindN 10 km/h
Pressure1027 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 Brown Trout
Ideal
15°C est.ideal 10–16°C
0°14°28°
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
Good — water clarity is right today, though water temperature could be better.
Likely species
Gammarids
Hatch timeline · tomorrowPeak at 15:00

12:00(now) — Black Gnat

Stage: On emergersApproach: Emerger or dryActivity: 41%
Also:Iron Blue23%
Peak emergence window7 food groups active

Peak activity at 15:00 — Small Dark Olive (Small Dark Olive, 9 food groups active)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds 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 · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
1
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
Large Brook DunHatch
2
3
2
Large StoneflyHatch
2
3
2

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

Ranked for today
Fly box · Brown Trout
Permits & access
Permit required — see local rules.
  • Se requiere licencia de pesca de Guipúzcoa
  • Trata el Urola como un río truchero con cierta influencia de trucha de mar, más que como un destino de peces migratorios definido por la vieja lógica del salmón.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Deba
7.0 km
33
Brown trout
Deba
7.0 km
Brown trout
Río Artibai
18 km
Brown trout
Oria
21 km
30
Brown trout · Sea trout
Urumea
27 km
30
Brown trout · Sea trout
Gallery · 2
  1. Urola — Urola
    Urola
  2. Terrain map of the venue
    Terrain map
Water quality (WFD)
  • Ecology: Moderate
  • Chemical: Unknown
What this classification means

WFD ecological status Poor → Moderate corrected to EEA WISE 2022 (3rd RBMP) classification for waterbody ES017MSPFES111R034020 (was a stale earlier-cycle value). Source: EEA WISE SWB_SurfaceWaterBody (discodata.eea.europa.eu), verified 2026-06-18.

WFD classification · ES017MSPFES111R034020

The full read · show the working · for Brown Trout · confidence 90%
How the 71 is built — score × weight = contribution
Temperature51 × 28%14.3
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time70 × 13%9.1
Pressure80 × 7%5.6
Insect activity61 × 12%7.3
Conditions total= 71
Can you trust it?
Water temperaturelive gauge readinggauge
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 1 April → 30 September

Salmon: Heritage only (2026) — Heritage salmon river. In practical angling terms, salmon are not a target species — focus on trout and sea trout.

Related guides
Pyrenees PlaybookSpanish riversEuro Nymphingsubsurface methods
Booking & contacts