Spate · Schist Metamorphic · Andalucía / Granada (Sierra Nevada / Alpujarras), ES

Río Trevélez

The Trevélez drains the Sierra Nevada and the Alpujarras, rising above 1,700 metres to become the highest trout river in mainland Spain.

Damian Rafferty

Forecast · Today

Closed season

Out of season. Try elsewhere.

45% projected

Notify when prime

Today's fly

Gold-Ribbed Hare's Ear

Rules at a glance

Public water
Licence required

Forecast

Conditions on the water · Today

Live gauge

Trends shown where the gauge supports them

Level

Rising

0.04 m

Lifting fast

Water temp

12.2°C

coldwarm

Clarity

Unfishable

Colouring up

Weather

15°C

Broken

Wind

N 9 km/h

calmblown out

Pressure

1024 hPa

lowhigh

Rain · recent

47.5 mm

dryspate risk

Rain · ahead

0.2 mm

dryspate risk

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

12°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.

Likely species

Stoneflies

Autumn Needle FlyMost likelyLower confidenceNearest relative
#16–18 · Adult
Small slender stonefly of clean, cold riffles in autumn.

Caddisflies

CapererMost likelyLower confidence
#10–12 · Adult
Big autumn sedge; fish dry at last light.
Net-spinning caddisAlso possibleLower confidenceNearest relative
#12–14–16 · Pupa
Widespread riffle net-spinner; evening emergence.
Green SedgeAlso possibleLower confidenceNearest relative
#10–12–14–16 · Nymph
Free-living green caddis larva; fast stony riffles.

Hatch timeline · todayPeak at 2pm

12pm(now) — Autumn Needle Fly

Stage: Creeping nymphsApproach: Heavy nymphActivity: 31%

Also:Reed Smut30%Autumn Dun29%Cinnamon Sedge21%

Peak emergence window10 food groups active

Peak activity at 2pm — Autumn Dun (Autumn Dun, 12 food groups active)

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

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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

Trout season

Autumn Dun

March Brown

Late March Brown

Large Brook Dun

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.

Junta de Andalucía licence required
On Sierra Nevada / Alpujarras headwaters, confirm the exact open stretch, coto status, and any National Park or local restrictions before travel.

What's coming

Plan ahead

5-day outlook

Other water nearby · 4

Gallery · 3

Terrain map

About this water

The Trevélez drains the Sierra Nevada and the Alpujarras, rising above 1,700 metres to become the highest trout river in mainland Spain. Snow-fed metamorphic geology (schist/phyllite), steep pocket water, and a compressed post-snowmelt season make it fundamentally different from the Cazorla limestone cotos down in Jaén. June is usually the core month, with May and July as shoulders depending on snowpack — a much shorter, sharper window than the longer warm season on the Jaén limestone rivers.

Schist metamorphic

Water quality (WFD)

Ecology: Good
Chemical: Unknown

WFD classification · ES060MSPF0632040

The full read · show the working · for Brown Trout · confidence 75%

How the 0 is built — score × weight = contribution

Temperature100 × 28%28.0

Flow80 × 22%17.6

Clarity85 × 18%15.3

Feeding Time45 × 13%5.9

Pressure80 × 7%5.6

Insect activity49 × 12%5.9

Conditions total= 78

Can you trust it?

Water temperatureair-to-water estimateestimated

Level / flowon-river gaugeobserved

Prey activitysurvey-backed invertebrate datasurvey

What would change the calculation

The dawn and dusk windows score higher than the midday lull.

Directions

Apple Maps Google Maps

Seasons & zones

Trout May shoulder / June core window (practical) → July shoulder, conditions permitting

Related guides

Booking & contacts

Permits & access

Junta de Andalucía — Permisos de Pesca
Andalucían fishing licence and coto permits

Spate · Schist Metamorphic · Andalucía / Granada (Sierra Nevada / Alpujarras), ES

Río Trevélez

Editorial photo

Damian Rafferty

The Trevélez drains the Sierra Nevada and the Alpujarras, rising above 1,700 metres to become the highest trout river in mainland Spain.

Today · Closed season

Gold-Ribbed Hare's Ear

Forecast · Today

Closed season

Out of season. Try elsewhere.

45% projected

Notify when prime

Today's fly

Gold-Ribbed Hare's Ear

Conditions on the water · Today

Live gauge

Level

Rising

0.04 m

Lifting fast

Water temp12.2°C

ClarityUnfishable

Weather15°C

WindN 9 km/h

Pressure1024 hPa

Rain · recent47.5 mm

Rain · ahead0.2 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

12°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.

Likely species

Stoneflies

Autumn Needle FlyMost likelyLower confidenceNearest relative
#16–18 · Adult
Small slender stonefly of clean, cold riffles in autumn.

Caddisflies

CapererMost likelyLower confidence
#10–12 · Adult
Big autumn sedge; fish dry at last light.
Net-spinning caddisAlso possibleLower confidenceNearest relative
#12–14–16 · Pupa
Widespread riffle net-spinner; evening emergence.
Green SedgeAlso possibleLower confidenceNearest relative
#10–12–14–16 · Nymph
Free-living green caddis larva; fast stony riffles.

Hatch timeline · todayPeak at 2pm

12pm(now) — Autumn Needle Fly

Stage: Creeping nymphsApproach: Heavy nymphActivity: 31%

Also:Reed Smut30%Autumn Dun29%Cinnamon Sedge21%

Peak emergence window10 food groups active

Peak activity at 2pm — Autumn Dun (Autumn Dun, 12 food groups active)

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

Supporters see what else is on the menu.

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 · September highlighted

Trout season

Autumn Dun

March Brown

Late March Brown

Large Brook Dun

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.

Junta de Andalucía licence required
On Sierra Nevada / Alpujarras headwaters, confirm the exact open stretch, coto status, and any National Park or local restrictions before travel.

What's coming

Plan ahead

5-day outlook

Other water nearby · 4

Poqueira / Pampaneira valley streams