L'Allondon

River fishing Switzerland · 04:45 - 20:32

L'Allondon is a river in Switzerland. Flowing water with species ranked by weather, temperature and season, see below.

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Prime 96% The bite right now

Top bet: Wels Catfish Active through the night, water near its preferred 21 degrees, peak season.

Best day to fish

Tomorrow

100%

35°

Best day

Sun

98%

33°

Mon

100%

28°

Tue

100%

31°

Wed

83%

30°

Thu

84%

29°

The bite over the next days, scored at dusk. Based on the weather forecast, so it is guidance, not guarantees.

Conditions right now

Weather

Mainly clear

Water temp (est.)

21°C

Air temp

25°C

Wind

1 m/s

Pressure

1018 hPa → stable

Clouds

32.0%

Water temperature is an estimate based on weather and season.

Updated 2026-06-26 02:59

Best times today

Dawn 04:00–06:00 Dusk 19:17–21:17

Local time at the spot, from the most likely species' daily rhythm.

Feeding times today

Waxing gibbous 87% lit

Major period 20:52–22:52 Major period 08:52–10:52 Minor period 16:54–18:24 Minor period 01:21–02:51

Solunar times are a traditional guide based on the moon's position, separate from the live ranking above. Local time at the spot.

Next hours

01:00

25°

02:00

24°

03:00

23°

04:00

23°

05:00

23°

06:00

24°

07:00

26°

08:00

27°

09:00

29°

10:00

31°

11:00

32°

12:00

33°

Likely catch now (4 species)

Wels Catfish

Silurus glanis

96%

Active through the night, water near its preferred 21 degrees, peak season.

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European Chub

Squalius cephalus

43%

Water near its preferred 21 degrees, peak season.

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Rainbow Trout

Oncorhynchus mykiss

11%

Slow during the night.

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Northern Pike

Esox lucius

11%

Slow during the night, bright sky slows things.

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About the fishing here

L'Allondon is a river in Switzerland.

Popular catches here include Wels Catfish, European Chub, Rainbow Trout and Northern Pike.

Wels Catfish fishing is usually best around Jun-Aug. The best windows are usually dawn and dusk.

A national or regional fishing permit is generally required here. Check the local rules. Napp ranks the species above from the live weather, water temperature, season and time of day, so the order changes through the day.

Tips right now

Timing This is a prime window for wels catfish at night. Fish hard now.

Depth The water temperature suits the fish. Fish actively at normal depths and edges.

Fishing permit

You need a fishing permit (fiskekort) to fish here. Buy it online:

Fishing licence (overview)

About this water

The Allondon is a river in France and Switzerland. It is 17.9 km (11.1 mi) long, of which 6.1 km in Switzerland and 2.5 km on the French–Swiss border. Its source is located at 649 m (2,129 ft) elevation in the commune of Échenevex in the Ain department in eastern France. It flows into the Rhône at the village of Russin in the canton of Geneva in Switzerland. Its catchment area is 148 km2 (57 sq mi), of which 137 km2 in France. It is home to the only recently known population of the rare insect Lachesilla rossica.

Read more on Wikipedia →

Map

More waters nearby

Nant d'Avril Switzerland · 4.1 km away L'Aire Switzerland · 10.2 km away La Versoix Switzerland · 13.2 km away La Laire Switzerland · 13.7 km away La Seymaz Switzerland · 15.5 km away Le Foron Switzerland · 20.1 km away L'Hermance Switzerland · 21.2 km away Le Léman Switzerland · 42.7 km away

Common questions

What fish can you catch at L'Allondon?

Popular catches here include Wels Catfish, European Chub, Rainbow Trout and Northern Pike.

Do you need a fishing license at L'Allondon?

Usually yes. Most countries require a national or regional fishing permit. Check the local rules via the link on this page.

When is the best time to fish L'Allondon?

Wels Catfish fishing is usually best around Jun-Aug. The best windows are usually dawn and dusk.

What is biting at L'Allondon right now?

Right now Wels Catfish is the most likely catch, at about 82%.