Things to do in St Lawrence County

Find and book activities, attractions and tours

A turbulent river flowing over rocks in a forested area.
A stone castle with red-tiled roofs, a stone bridge, and lush greenery.
A rocky shoreline with a calm lake, surrounded by dense forest and a clear sky.
A mountainous landscape with a lake surrounded by autumn-colored forests.
A waterfall cascading into a calm river surrounded by autumn-colored trees.

Things to do

140 passenger 'Sea Fox II'

1000 Islands 90-minute Sightseeing Cruise

￥4,958
per adult
100% of travellers recommend
1000 Islands 90-minute Sightseeing Cruise
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

The Ultimate Heart of 1000 Islands Sightseeing Boat Tour

￥13,407
per adult
94% of travellers recommend
The Ultimate Heart of 1000 Islands Sightseeing Boat Tour
Toronto, Niagara Falls & Thousand Islands 3–DAY Trip

Toronto, Niagara Falls & Thousand Islands 3–DAY Trip

￥100,289
per adult
Toronto, Niagara Falls & Thousand Islands 3–DAY Trip
See all activities in St Lawrence County
  • find price illustration

    Explore activities

    Explore thousands of experiences from activities and attractions to day tours and transfer.
  • calendar shield illustration

    Book with ease

    Skip the line- book tickets online in minutes to top attractions with free cancellation on many activities.
  • trophy illustration

    Treat yourself

    Members save % or more when you book activities.

What to do in St Lawrence County

Stay near popular St Lawrence County attractions

Singer Castle

9.0/10 (77 reviews)
You can learn about the history of Hammond with a stop at Singer Castle. While you're in the area, stroll along the riverfront.
See properties

Popular day trips from St Lawrence County

A cargo ship passing through a lock gate on a river.

Massena

A wooden pier with a lighthouse in the background and a bridge across the water.

Ogdensburg

A historic church with a tall tower and a reflection in the water.

Potsdam

A government building with a flag, a fountain, and a statue in front.

Brockville

A wind turbine in a green field with trees in the background.

Lowville

A calm lake reflecting a forested hill under a partly cloudy sky.

Cranberry Lake