All New York Counties

Finger Lakes & Greater Rochester

Ontario County, New York

County seat: Canandaigua

Ontario County stretches across the Finger Lakes between Canandaigua and Seneca lakes, a county of lakefront towns, wineries and farmland southeast of Rochester. Canandaigua anchors its tourism and services.

Cities, Towns & Communities

3 full community guides available in this county.

Attractions

  • Canandaigua Lake
  • Finger Lakes wine trail
  • Sonnenberg Gardens

Parks & Recreation

  • Canandaigua Lake State Marine Park
  • Ontario County Park at Gannett Hill
  • Seneca Lake State Park

Transportation

I-90 and Route 5 & 20 cross the county, with Rochester about 30 minutes west and Geneva on Seneca Lake.

Frequently Asked Questions

What is the county seat of Ontario County?

Canandaigua is the county seat.

Which Finger Lakes touch Ontario County?

Canandaigua Lake forms part of the western boundary, and Seneca Lake borders its southeast corner near Geneva.

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