If you are comming from the International Falls boarder crossing you will need to take Highway 11 East approximately 10 miles to the 502 junction. You will be turning north onto the 502, take it all the way up to the city of Dryden. From Dryden take Highway 17 East approximately 40 km to Vermilion Bay where you will find the 105 junction North, about 43 km and you'll be in Perrault Falls.