Stoneflies
Gammarids
Low-flow, gin-clear water holding wild brown trout — a tighter, more intimate stream than the Turia main stem, better suited to short-line nymphing than open casting.
- Limestone
Rules at a glance
- Public water
- Licence required
- Fly only
Water temperature for Brown Trout
Cool — slow6°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
Molluscs
- Pond snailsMost likelyLower confidence#10–12–14 · AdultDead-drift or twitch a snail pattern near weed beds.
Oligochaetes
- Aquatic wormsMost likelyLower confidence#12–14–16 · AdultDead-drift a worm pattern deep - a year-round staple.
Hatch timeline · todayPeak at 11am
Hatch predictions
Today's headline hatch shown — see all 7 active hatches hour by hour as a supporter.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 2 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Supporters see what else is on the menu.
Start free trial14-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
Trout seasonSeason
1
2
2
2
2
2
2
1
Alpine RhithrogenaHatch
2
3
3
2
Sculpin / Baitfish (Rivers)Hatch
2
3
3
3
3
3
3
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
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.
- Aragón fishing licence required
- Small-stream, low-flow water — check bag limits for the exact coto.
What's coming
Plan ahead
5-day outlook
Other water nearby · 2
Gallery · 2
Terrain map
About this water
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature35 × 28%9.8
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity57 × 12%6.8
Conditions total= 65
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 21 March → 15 October
Aragón 2026 Plan General de Pesca — same catch-and-release-waters window as the Turia (3rd Saturday March–15 Oct); confirm regime for the exact stretch.
Related guides
Booking & contacts
Río Alfambra
A small, technical headwater tributary of the Turia, joining at Teruel city after draining high limestone country to the north.
Water temperature for Brown Trout
Cool — slow6°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
Molluscs
- Pond snailsMost likelyLower confidence#10–12–14 · AdultDead-drift or twitch a snail pattern near weed beds.
Oligochaetes
- Aquatic wormsMost likelyLower confidence#12–14–16 · AdultDead-drift a worm pattern deep - a year-round staple.
Hatch timeline · todayPeak at 11am
Hatch predictions
Today's headline hatch shown — see all 7 active hatches hour by hour as a supporter.
Start free trial14-day free trial. Cancel anytime.
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 2 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Supporters see what else is on the menu.
Start free trial14-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
Trout seasonSeason
1
2
2
2
2
2
2
1
Alpine RhithrogenaHatch
2
3
3
2
Sculpin / Baitfish (Rivers)Hatch
2
3
3
3
3
3
3
3
2
March BrownHatch
2
3
2
Late March BrownHatch
2
3
2
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.
- Aragón fishing licence required
- Small-stream, low-flow water — check bag limits for the exact coto.
What's coming
Plan ahead
5-day outlook
Other water nearby · 2
Gallery · 2
Terrain map
About this water
Low-flow, gin-clear water holding wild brown trout — a tighter, more intimate stream than the Turia main stem, better suited to short-line nymphing than open casting.
- Limestone
The full read · show the working · for Brown Trout · confidence 75%
How the 0 is built — score × weight = contribution
Temperature35 × 28%9.8
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure80 × 7%5.6
Insect activity57 × 12%6.8
Conditions total= 65
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitysurvey-backed invertebrate datasurvey
What would change the calculation
Warmer water — toward the 10–16 °C ideal band — would lift the temperature score.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 21 March → 15 October
Aragón 2026 Plan General de Pesca — same catch-and-release-waters window as the Turia (3rd Saturday March–15 Oct); confirm regime for the exact stretch.
Related guides
Booking & contacts
At a glance
Río Alfambra is a freestone river in Teruel, Aragón, Spain. Its recorded elevation is about 1,100 m above sea level and the catchment geology is limestone. The species listed for this water is brown trout. The trout season is recorded as running from 21 March to 15 October. Best window recorded for anglers: Late spring into summer within the current Aragón season. Core methods listed: nymph; dry fly. Level and flow data for this water is linked from 2 gauges. Nearby waters in our listings include Río Turia / Guadalaviar (Cabecera — Teruel) at 58 km and Río Ebrón at 65 km.