Leisure base "O' lac" : outdoor & water activities
The diversity of its facilities attracts families and fans of outdoor sports: swimming area and water material rentals, playgrounds and picnic areas, health trail/fitness area, beach volleyball and tennis, fishing, mini golf, snack bar.
Depth up to 6 m, area 15 ha.
Open all year, paid access from 01/06 to 31/08.
Activities: fishing, picnic, tennis, bowling, diving platform, fitness trail, collective playground, land games with adapted games for disabled people, fitness area, bar and fast food. Swimming only in summer. Barbecues are strictly forbidden.
Huts and beach setted up.
Summer activity from 01/06 to 31/08:
- Supervised swimming
- Many water games
- Pedal boat: for the whole family (pedal boat 4 people no minimum age - lifejackets provided)
- Paddle
- Rosalie walk for the whole family
Information and ticket sale on site.
Many activities during the season (Night of the Lake in August subject to fire restrictions, karaoke evening...)
Snack open from 01/04 to 31/10.
Practical information
Equipments
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Play area,
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Picnic area,
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Bar,
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Toilets,
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Public WC,
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Car park,
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Minigolf,
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Beach,
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Restaurant,
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Ping pong table,
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showers,
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Free car park,
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Bodybuilding / fitness area
Services
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Coach access,
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Boat hire,
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Supervised beach,
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Equipment hire,
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Restaurant,
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Fast food,
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Stand up paddle rental,
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Ice cream parlour,
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Stroller-accessible
Activities
Entertainment evenings
Time schedule
From 06/01/26 to 08/31/26
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Monday :
06h00 to 22h00
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Tuesday :
06h00 to 22h00
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Wednesday :
06h00 to 22h00
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Thursday :
06h00 to 22h00
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Friday :
06h00 to 22h00
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Saturday :
06h00 to 22h00
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Sunday :
06h00 to 22h00
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Jours fériés :
Closed
Entry fee from 10am to 6.30pm, even to go to the snack.
Prices
Payment method
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Bank/credit card,
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Check,
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Cash
From 01/06/26 to 31/08/26
- One price
- 3€
Group over 20 people: 2,7 €/pers
O'Lac pass: €27 (10 entries)
Gratuit pour les moins de 4 ans
See more
Go there
Latitude : 45.581398
Longitude : 5.638276
Height : 264
38480 Romagnieu
Go there
Information updated on 30/06/2026
by Office de Tourisme des Vals du Dauphiné