1. Pacific Ocean: The Pacific Ocean forms Oregon's western border. It is the largest ocean on Earth and is known for its diverse marine life, towering sea stacks, and scenic coastal landscapes.
2. Columbia River: The Columbia River is the largest river in the Pacific Northwest. It flows along Oregon's northern border and is a major transportation route for goods and commodities. The river is also known for its iconic waterfalls, such as Multnomah Falls.
3. Willamette River: The Willamette River is the largest river entirely within the state of Oregon. It flows north through the Willamette Valley, which is known for its agricultural production and fertile soils. The river is a vital water source for many cities and towns along its course.
4. Umpqua River: The Umpqua River is located in southern Oregon and flows westward to the Pacific Ocean. It is known for its scenic beauty and is a popular spot for fishing, kayaking, and rafting.
5. Rogue River: The Rogue River is renowned for its wild and scenic beauty. It flows through the Cascade Range and the Siskiyou Mountains, offering opportunities for rafting, fishing, and hiking.
6. Deschutes River: The Deschutes River is located in central Oregon and flows into the Columbia River. It is a popular destination for fishing, rafting, and other water sports.
7. Lake Oswego: Lake Oswego is located in the Portland metropolitan area and is the largest lake entirely within Oregon. It is a popular spot for boating, fishing, and other recreational activities.
8. Crater Lake: Crater Lake is the deepest lake in the United States. It is located in the Cascade Range and was formed by the collapse of a volcanic cone. The lake is famous for its deep blue color and picturesque setting.
9. Waldo Lake: Waldo Lake is located in the Cascade Range and is the second deepest lake in Oregon. It is renowned for its clear waters and is a popular spot for swimming, boating, and hiking.
10. Malheur Lake: Malheur Lake is located in southeastern Oregon and is part of the Malheur National Wildlife Refuge. It is a shallow, alkaline lake that is important habitat for various bird species, including migratory waterfowl.
