Canandaigua Lake (kan-uhn-DAI-gwuh), one of the Finger Lakes, W central N.Y., with Canandaigua city at N end and Naples Valley at S end; 16 mi/25 km long, 1 mi/1.6 km1.5 mi/2.4 km wide. Drains N to Clyde R. Vineyards in Naples Valley; summer resort; grape-growing and wine-producing region.