
Crater Lake National Park protects the deepest lake in the United States, formed nearly 7,700 years ago when Mount Mazama collapsed after a massive volcanic eruption. Located in southern Oregon, the park is famous for its incredibly deep blue water, steep surrounding cliffs, and volcanic features such as Wizard Island. The lake is known for its exceptional clarity and striking beauty, attracting visitors for scenic drives, hiking, boat tours, and winter recreation.
Summer (July–September)
Best access to trails, scenic drives, and boat tours.
Spring
Snow often remains at higher elevations.
Fall (September–October)
Fewer crowds and cooler weather.
Winter
Heavy snowfall creates opportunities for snowshoeing and cross-country skiing.
Mazama Campground
Large campground open during summer.
Lost Creek Campground
Small campground offering quieter sites.
Nearby lodging options include Crater Lake Lodge inside the park.
The eruption that formed Crater Lake was witnessed by Indigenous peoples including the Klamath Tribes, whose oral histories describe the volcanic event and consider the lake a sacred site.
The America the Beautiful Annual Pass covers entry to all U.S. national parks for one year.
• Official Crater Lake National Park Website (National Park Service) – Official park information, alerts, and visitor planning resources.
• Crater Lake National Park Maps – Download official park maps including Rim Drive and hiking trails.
• Crater Lake Hiking Guide – Trail descriptions and safety information.
• Crater Lake Current Conditions & Alerts – Weather updates, closures, and park alerts.
• Crater Lake Boat Tours – Information about boat tours to Wizard Island.
Klamath Falls, Oregon – Largest nearby city offering lodging and services.
Medford, Oregon – Regional travel hub located about two hours away.
Rim Drive
A 33-mile scenic road circling the lake with numerous overlooks including:
Visitors can use:
Morning
Midday
Afternoon
Evening
Crater Lake’s forests consist of high-elevation conifer ecosystems.
Common plants include:
Mammals:
Birds:
Other wildlife:
Yellow-bellied marmots
Crater Lake formed when Mount Mazama erupted approximately 7,700 years ago. The volcano collapsed into a caldera that later filled with rain and snowmelt, forming the lake. Crater Lake became the fifth national park in the United States in 1902.
• Crater Lake Hospitality & Lodging – Information about lodging and visitor services.
• AllTrails – Crater Lake National Park Trails – Hiking maps, reviews, and GPS navigation.
• National Park Foundation – Crater Lake Overview – Conservation information and park highlights.
• Oregon Tourism – Crater Lake Guide – Travel tips and visitor highlights.
• Crater Lake National Park Wikipedia Overview – Background on park history, geology, and wildlife.