1. Puget Sound: This major inlet of the Pacific Ocean is named after Peter Puget, a British naval officer who explored the region in the late 18th century.
2. Mount Rainier: The highest mountain in the Cascade Range and one of the most prominent peaks in the United States, Mount Rainier is named after Admiral Peter Rainier, a British naval officer who served as the Commander-in-Chief of the Pacific Station from 1854 to 1856.
3. Olympic Mountains: This mountain range is located on the Olympic Peninsula and is named after Mount Olympus, the highest peak in the range. The name "Olympus" is derived from Greek mythology, where it was the home of the Olympian gods.
4. Columbia River: The longest river in the Pacific Northwest, the Columbia River forms part of the border between Washington and Oregon. It is named after the Columbia Rediviva, a British ship that explored the region in the late 18th century.
5. San Juan Islands: This archipelago located in the Salish Sea is named after Juan de Fuca, a Greek explorer who sailed under the Spanish flag and explored the region in the late 16th century.
6. Spokane: The second largest city in Washington, Spokane is named after the Spokane tribe, an indigenous people who have lived in the region for thousands of years.
7. Yakima: This city and county in south-central Washington is named after the Yakama tribe, another indigenous people who have historically lived in the region.
8. Willapa Bay: This large bay on the Pacific coast of Washington is named after the Willapa people, an indigenous people who have lived in the region for centuries.
9. Chelan: A lake in the North Cascades, Lake Chelan is named after the Chelan people, an indigenous people who have lived in the region for thousands of years.
10. Cascade Range: This major mountain range in Washington and Oregon is named for its numerous waterfalls, which cascade down the mountainsides.
These are just a few examples of the many toponyms of Washington state, each with its own unique history and significance.
