Start your journey through 300 to 500 million-year-old rock outcroppings before descending through granite outcroppings that make up the Grenville Arch.
This route can be tackled in two ways: start the route in the counterclockwise direction and enjoy a quick descent at the end of the ride, or try it clockwise for a steep climb up the escarpment running along the west side of the Rideau waterway.
Start location: Kingston Mills or Brewers Mills
Distance: 65 km (40.3 miles)
Type: Road, Touring, Hybrid
