Lac de Conflans is a lake at the confluence of the rivers Ain and Valouse. It lies in the communes of Thoirette, in the Jura department, and Corveissiat in the Ain department of France.

Lac de Conflans
Lac de Conflans is located in Ain
Lac de Conflans
Lac de Conflans
LocationAin/Jura
Coordinates46°16′00″N 5°30′20″E / 46.26667°N 5.50556°E / 46.26667; 5.50556
Primary inflowsValouse
Primary outflowsAin
Basin countriesFrance
Max. length950 m (3,120 ft)
Max. width250 m (820 ft)
Surface area20 ha (49 acres)
Average depth3 m (9.8 ft) (estimated from text)
Max. depth8 m (26 ft)
Surface elevation285 m (935 ft)