Spend your last day in Ottawa exploring its beautiful gardens and parks. Start with a visit to the Rideau Hall, the official residence of the Governor General of Canada. Explore the stunning grounds and gardens, which are open to the public. Next, head to the Central Experimental Farm, a national historic site with beautiful gardens and agricultural exhibits. Enjoy a leisurely stroll through the Dominion Arboretum, home to a diverse collection of trees and plants. End your trip with a visit to the Ornamental Gardens at the Experimental Farm, where you can admire the colorful flower beds and serene ponds.