Whitefish
Chalain, Ilay, Val, Grand Lac de Clairvaux
The Jura Federation lists these lakes among the department’s leading whitefish waters.
La Ferme du Bois Joli is a fishing-friendly accommodation in the Jura, officially listed in Marigny near Lac de Chalain. Whitefish, pike, perch, zander and trout offer varied fishing between Jura lakes and the Ain River. This page brings together fishing spots, species, GeoPêche and useful 2026 regulation information before you set out.
Gîte « La Ferme du Bois Joli » — jusqu’à 15 personnes — Marigny, près du lac de Chalain.
Whitefish is the signature species of the Jura’s large lakes. Predatory fish complete the possibilities at Chalain, Ilay, Val, Clairvaux and Bonlieu; for trout, the upper Ain valley upstream of Pont-du-Navoy is cited by the Federation as one of the Jura’s most favourable areas.
Chalain, Ilay, Val, Grand Lac de Clairvaux
The Jura Federation lists these lakes among the department’s leading whitefish waters.
Chalain, Ilay, Val, Clairvaux, Bonlieu
A major predatory species in the area; Chalain is a recognised predator-fishing water.
Including Chalain and the area’s category-2 lakes
The 2026 fish survey at Chalain indicates that perch is one of the dominant species in the fish community.
Chalain, Val and other category-2 waters in the area
Present in local fish populations; targeted with lures and from boats.
Upper Ain valley upstream of Pont-du-Navoy
The Jura Federation cites the upper Ain valley upstream of Pont-du-Navoy among the most favourable areas in the department.
The displayed score is a practical Chalet index, not an official rating: it helps compare fishing spots for a fishing stay, taking into account fishing interest, proximity, access, possible techniques and practical constraints.
Rules: Maximum 4 rods; boat fishing with the appropriate option; pike harvest slot 60–80 cm; reserve on the Fontenu and Moulin streams.
Fishbrain lists reported catches on the lake; no stable public rating is reproduced here.
Locate Lac de ChalainRules: Maximum 4 rods; whitefish 32 cm; pike harvest slot 60–80 cm.
No sufficiently stable specialist public rating is available to display.
Locate Lac d’IlayRules: Maximum 4 rods; motors prohibited; whitefish 35 cm; pike harvest slot 60–80 cm.
No sufficiently stable specialist public rating is available to display.
Locate Lac du ValRules: Whitefish 32 cm; refer to AAPPMA Ain–Pays des Lacs and GeoPêche for reserves and access.
No sufficiently stable specialist public rating is available to display.
Locate Grand Lac de ClairvauxRules: Motors prohibited; pike season on the large lakes/Bonlieu: 1 January–25 January, then 30 May–31 December.
No sufficiently stable specialist public rating is available to display.
Locate Lac de BonlieuRules: Upstream of Pont-du-Navoy: category 1; brown trout 30 cm; 2026 season from 14 March to 20 September. Check beats, reserves and fishing rights on GeoPêche.
The Jura Federation ranks it among the department’s best trout areas; this is not a numerical rating.
Locate the upper Ain valleyThe Federation’s interactive map is the reference for checking exact beat boundaries, reserves, launch points and local rules before setting out.
Summary based on the 2026 prefectural order and the Jura Federation guide. Official orders and local rules always take precedence.
| Species / situation | 2026 period | Taille / quota | Local rule |
|---|---|---|---|
| Whitefish — large lakes | 14 mars → 11 octobre | 5/jour · 35 cm Chalain/Val · 32 cm Ilay/Clairvaux | Quota not cumulative with other salmonids |
| Brochet — grands lacs + Bonlieu | 1–25 January, then 30 May → 31 December | 1/day · 60–80 cm harvest slot at Chalain/Ilay/Val | Fish <60 or >80 cm must be released on these three lakes |
| Zander — category 2 | 1–25 January, then 30 May → 31 December | 50 cm | Counts towards the total quota of 2 predatory fish/day |
| Truite fario | 14 mars → 20 septembre | 30 cm · 2 truites fario/jour | Upper Ain valley: check beats and reserves |
| Chalain / Ilay / Val | Depending on species | 4 lignes maximum | Boat: appropriate option; electric motors only at Chalain/Ilay, motors prohibited at Val |
| Clairvaux / Bonlieu | Depending on species | See AAPPMA / GeoPêche | Combustion engines prohibited at Clairvaux, electric permitted; all motors prohibited at Bonlieu |
La Ferme du Bois Joli lets you explore lakes and river without changing accommodation: a day for whitefish at Chalain, a predator-fishing outing on the lakes, then a morning for trout on the Ain.