- Ecology: Good
- Chemical: Good
WFD classification · FRDL95
Rules at a glance
- Free fishing
- Fly only
How to fish it · for Trout
When
Conditions are not ideal but fishable at Lac de Serre-Ponçon. The ripple should help fish move and feed more confidently. Very warm conditions — trout have a narrower safe zone of cool, oxygen-rich water. Fish only at first light or last light, use barbless hooks, keep fish in the water during release, and stop if fish struggle to recover.
Where
Start with Small Perdigón (16-20) — on the point — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
The plan
Plan A
Start with Small Perdigón (16-20) — on the point — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
Plan B
Fish early and late, try deeper during the heat of the day with a fast-sinking line.
Watch for
Evening tends to be the best period in summer — stay late if you can for a sedge or spinner fall.
Either bank or boat
Good ripple suits both bank and boat. Bank: work inflows, dam walls, and points. Boat: broadside drift covering wind lanes.
Sub-surface · on the nymphunder the surface
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
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
2
2
2
2
2
2
2
1
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Reservoir BuzzerHatch
2
3
3
3
3
3
2
Lake OliveHatch
2
3
3
3
3
3
2
Silverhorns & LonghornsHatch
1
2
2
2
1
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Trout fly box
Permits & access
Permit required — see local rules.
- AAPPMA Hautes-Alpes
- Pike season closed end-January to end-April
- Boat access from Savines-le-Lac and Chorges
- Water level varies dramatically through summer.
What's coming
Plan ahead
5-day outlook
Condition match
55%
Cloud25%
Wind100%
Temp25%
A reasonable day here, though temperature isn't quite in the sweet spot.
Other water nearby · 2
Gallery · 2
Lac de Serre-Ponçon - Hautes-Alpes - France Terrain map
Water quality (WFD)
Why this score
- Wind conditions (ripple) closely match what this water fishes best in.
- High temperatures may push fish deeper and reduce surface activity.
- Daddy longlegs are in their seasonal window, boosting the chance of targeted feeding.
Directions
Seasons & zones
- Trout Last Saturday of January → End of December
Related guides
Booking & contacts
Lac de Serre-Ponçon
How to fish it · for Trout
When
Conditions are not ideal but fishable at Lac de Serre-Ponçon. The ripple should help fish move and feed more confidently. Very warm conditions — trout have a narrower safe zone of cool, oxygen-rich water. Fish only at first light or last light, use barbless hooks, keep fish in the water during release, and stop if fish struggle to recover.
Where
Start with Small Perdigón (16-20) — on the point — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
The plan
Plan A
Start with Small Perdigón (16-20) — on the point — slow figure-of-eight retrieve. If that does not produce, switch depth or speed before changing the pattern entirely.
Plan B
Fish early and late, try deeper during the heat of the day with a fast-sinking line.
Watch for
Evening tends to be the best period in summer — stay late if you can for a sedge or spinner fall.
Either bank or boat
Good ripple suits both bank and boat. Bank: work inflows, dam walls, and points. Boat: broadside drift covering wind lanes.
Sub-surface · on the nymphunder the surface
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
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
2
2
2
2
2
2
2
1
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Reservoir BuzzerHatch
2
3
3
3
3
3
2
Lake OliveHatch
2
3
3
3
3
3
2
Silverhorns & LonghornsHatch
1
2
2
2
1
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Trout fly box
Permits & access
Permit required — see local rules.
- AAPPMA Hautes-Alpes
- Pike season closed end-January to end-April
- Boat access from Savines-le-Lac and Chorges
- Water level varies dramatically through summer.
What's coming
Plan ahead
5-day outlook
Condition match
55%
Cloud25%
Wind100%
Temp25%
A reasonable day here, though temperature isn't quite in the sweet spot.
Other water nearby · 2
Gallery · 2
Lac de Serre-Ponçon - Hautes-Alpes - France Terrain map
Water quality (WFD)
- Ecology: Good
- Chemical: Good
WFD classification · FRDL95
Why this score
- Wind conditions (ripple) closely match what this water fishes best in.
- High temperatures may push fish deeper and reduce surface activity.
- Daddy longlegs are in their seasonal window, boosting the chance of targeted feeding.
Directions
Seasons & zones
- Trout Last Saturday of January → End of December
Related guides
Booking & contacts