Crater Lake
A flooded volcano with the bluest water in America, reachable by road only when the snow lets go.
1 national park in Oregon
Oregon's National Park
Oregon is home to Crater Lake National Park. A flooded volcano with the bluest water in America, reachable by road only when the snow lets go.
The best time to visit Crater Lake National Park is July–September. For great conditions with fewer people, aim for September. It's busiest in July and August.
About the park
Road trips through Oregon
Redwoods to Crater Lake
Volcanoes, the tallest trees on Earth and America's deepest lake.
Nearby parks in other states
Redwood
California · Best May–Oct
Lassen Volcanic
California · Best Jul–Sep
Mount Rainier
Washington · Best Jul–Sep
Olympic
Washington · Best Jul–Sep
Questions
How many national parks are in Oregon?
Oregon has 1 national park: Crater Lake National Park.
When is the best time to visit national parks in Oregon?
The best time to visit Crater Lake National Park is July–September. For great conditions with fewer people, aim for September. It's busiest in July and August.
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.