Jefferson County, NY
New York
Popular cities in Jefferson County
Come to Alexandria Bay and enjoy its island views, castle, and entertainment.
Reasons to visit
- Boldt Castle
- Keewaydin State Park
Escape to Henderson! Enjoy its food and parks.
Reasons to visit
- Southwick Beach State Park
Escape to Watertown! Enjoy its baseball, university life, and architecture.
Explore Clayton: its riverfront, coffee, sunsets, and more!
Trip time! Discover the island views, castle, and hiking in Wellesley Island.
Explore Cape Vincent: its riverfront and more!