Seneca Lake stands as the largest among the glacial Finger Lakes within the state of New York. Renowned for its substantial size and depth, it remains entirely contained within the state’s borders. The lake has earned distinction as the preeminent locale for lake trout angling, exemplified by its role as the host of the esteemed National Lake Trout Derby. Positioned at the northern terminus of Seneca Lake, the city of Geneva, New York, commands attention, serving as the domicile for Hobart and William Smith Colleges, along with housing the New York State Agricultural Experiment Station, a constituent entity of Cornell University. Conversely, the village of Watkins Glen, situated at the southern extremity of the lake, boasts a notable reputation due to its association with motorsport, primarily due to the presence of Watkins Glen International racetrack, as well as its picturesque cascades.

Seneca Lake possesses an uncommon macroclimate that has bestowed it with the distinction of nurturing over 50 wineries, predominantly characterized as farm wineries. Its geographical attributes have led to the designation of the Seneca Lake American Viticultural Area (AVA), solidifying its reputation within oenophilic circles.

In terms of dimensions, Seneca Lake stretches across a length of approximately 38 miles, securing its position as the second longest Finger Lake. Remarkably voluminous, it is estimated to contain an impressive 3.81 cubic miles (15.9 km³) of water, accounting for nearly half of the cumulative water volume across all the Finger Lakes. The lake’s profundity is notable, averaging 291 feet, while plunging to a maximum depth of 618 feet. The expansive water body covers a surface area of approximately 66.9 square miles (173 km²).