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Crater Lake National Park

(Encyclopedia)Crater Lake National Park, 183,224 acres (74,206 hectares), SW Oreg., in the Cascade Range; est. 1902. Crater Lake, 20 sq mi (52 sq km), lies in a huge pit that was created when the top of a prehistor...

crater

(Encyclopedia)crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters have a raised ce...

Ngorongoro Crater

(Encyclopedia)Ngorongoro Crater, caldera in the Great Rift Valley, Arusha region, N Tanzania. It is one of the world's largest unbroken volcanic calderas, created in an eruption some 3 million years ago. The calder...

Haleakala National Park

(Encyclopedia)Haleakala National Park häˌlāäˌkäläˈ [key], 29,824 acres (12,074 hectares), on Maui island, Hawaii. Haleakala volcano, 10,023 ft (3,055 m) high, has been dormant since the mid-1700s. Its crate...

Hawaii Volcanoes National Park

(Encyclopedia)Hawaii Volcanoes National Park, 209,695 acres (84,926 hectares), on Hawaii island, Hawaii; est. 1916. The park contains two of the most active volcanoes in the world—Kilauea with its fiery pit crate...

Lake Clark National Park and Preserve

(Encyclopedia)Lake Clark National Park and Preserve, S Alaska. Located across Cook Inlet from Anchorage, the park (2,619,733 acres/1,060,621 hectares) and adjacent preserve (1,410,325 acres/570,982 hectares) featur...

Canyonlands National Park

(Encyclopedia)Canyonlands National Park, 337,598 acres (136,679 hectares), SE Utah; est. 1964. Located in a desert region, the park contains a maze of deep canyons and many unusual features carved by wind and water...

Fiordland National Park

(Encyclopedia)Fiordland National Park, 4,868 sq mi (12,601 sq km), on the Tasman Sea, SW South Island, New Zealand. New Zealand's largest national park, it was established as a reserve in 1904 and designated a nati...

Banff National Park

(Encyclopedia)Banff National Park, 2,564 sq mi (6,641 sq km), W Alta., Canada, in the Rocky Mts.; est. 1885. Noted for its mountain scenery and mineral springs, Canada's oldest national park is a year-round resort ...

Pukaskwa National Park

(Encyclopedia)Pukaskwa National Park pŭkˈăskwə [key], c.725 sq mi (1,890 sq km), central Ont., Canada, near Marathon; est. 1971. Stretching for c.50 mi (80 km) along the north shore of Lake Superior between the...