The Inside Passage is a popular route for cruises in Alaska, but there are many synonyms for this term that refer to similar waterways. One synonym is the West Coast Inside Passage, which includes southeastern Alaska and the British Columbia coast. Another synonym is the Pacific Northwest Inland Passage, which includes the Puget Sound and the San Juan Islands in Washington State. The Marine Highway is also a common term for the Inside Passage, as it is a key transportation route for Alaska's coastal communities. Other synonyms for the Inside Passage include the Inside Channel, the Inner Passage, and the Inside Coastal Route. No matter what term is used, these waterways offer some of the most spectacular scenery in North America.