Washington has the most national parks in the Pacific Northwest region, including Olympic National Park and Mount Rainier National Park.

Washington state is home to multiple national parks, the most notable being Mount Rainier National Park, which features the iconic Mount Rainier, and Olympic National Park, famous for its diverse ecosystems, including temperate rainforests and rugged coastlines. These parks offer a wide range of outdoor activities, such as hiking, wildlife watching, and skiing. Washington's national parks are key attractions in the Pacific Northwest, highlighting the region’s natural beauty. While Oregon and California also have national parks, Washington leads in the Pacific Northwest with its iconic park landscapes that showcase mountain ranges, forests, and coastlines.