Travelers are voting Lewis And Clark National Historical Site, Mount St. Helens National Volcanic Monument and Smith And Bybee Wetlands Natural Area as the best of 9 national parks in Pacific. There are 1 national park near St. Helens a city just 175 km from Pacific and 1 national park near Morton which is 163 km distant. The most popular of these are Smith And Bybee Wetlands Natural Area near St. Helens and Glacier View Wilderness in Morton. Want more? Check out our map of national parks in Pacific.