Driving
Thornbury to Sault Ste. Marie
Updated: 30 May 2026
The trip from Thornbury to Sault Ste. Marie covers approximately 550 kilometers. You will head north on Highway 400, then transition to Highway 69 and finally Highway 17 West. This drive typically takes 6 hours. You are traveling from the Blue Mountains to the historic city of Sault Ste. Marie, located at the junction of Lake Superior and Lake Huron. It is a beautiful drive that follows the rugged northern coastline.
Total Distance: 550 km driving distance; 400 km straight-line air distance.
Fastest Way
Driving via Highway 400 and 17 is the fastest method, taking 6 hours.
Cheapest Way
Driving your own vehicle is the most cost-effective way to reach Sault Ste. Marie.
Compare Thornbury to Sault Ste. Marie Routes
Driving
Direct
Duration
6 hours
Avg Price
90-110 CAD
Operator
Personal Vehicle
Route
Highway 400 to 69 to 17 West.
The stretch between Sudbury and Sault Ste. Marie is very scenic; take your time.
Travel Tips
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FuelFill up in Sudbury before heading west on Highway 17.
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WildlifeBe very careful of moose on the road, especially at night.
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DiningSault Ste. Marie has a great downtown area with many local restaurants.
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WeatherThe weather can change quickly near the lakes; bring layers.
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NavigationDownload offline maps as cell service can be spotty.
Safety Tips
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Driver FatigueTake breaks every 2 hours to stay alert.
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Road ConditionsCheck Ontario 511 for any road closures or construction.
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Emergency KitCarry a basic emergency kit in your car.
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SpeedingPolice monitor the highways; stay within the speed limit.
People Also Ask
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How long is the drive to Sault Ste. Marie?It takes about 6 hours.
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Is there a train to Sault Ste. Marie?No direct passenger train from Thornbury.
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What is the best route?Highway 400 to 69 to 17 West is the standard route.
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Are there flights?You would need to fly from Toronto to Sault Ste. Marie.
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Is the drive scenic?Yes, it is one of the most beautiful drives in Ontario.
Quick Info
- From Thornbury, Ontario, Canada
- To Sault Ste. Marie, Ontario, Canada
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Modes
Best Time to Travel
Autumn is the best time to see the vibrant fall colors along the North Channel.
Things to Do in Sault Ste. Marie
1
Canadian Bushplane Heritage Centre
A fascinating museum dedicated to the history of bush flying in Canada. It is a unique local attraction.
2
Sault Ste. Marie Canal National Historic Site
A beautiful park with a historic canal. It is perfect for a walk and learning about the area's history.
3
Agawa Canyon Tour Train
A world-famous train tour that takes you through the stunning Agawa Canyon. It is a must-do in the fall.
4
Ermatinger Clergue National Historic Site
A historic site that showcases the early history of the Sault.
Tags
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