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Geologic map of the lake floor Crater Lake from space. Mount Mazama, part of the Cascade Range volcanic arc, was built up mostly of andesite, dacite, and rhyodacite over a period of at least 400,000 years. The caldera was created in a massive volcanic eruption between 6,000 and 8,000 years ago that led to the subsidence of Mount Mazama.
At the same time, a topographer surveyed the area and created the first professional map of the Crater Lake area. Crater Lake Lodge. Partly based on data from the expedition and lobbying from Steel and others, Crater Lake National Park was established May 22, 1902, by President Theodore Roosevelt.
Rim Drive is a scenic highway in Crater Lake National Park in southern Oregon, United States.It is a 33-mile (53 km) loop that follows the caldera rim around Crater Lake.Due to its unique engineering and the surrounding park landscape, the drive was listed as a historic district on the National Register of Historic Places in 2008.
Crater Lake actually started as a mountain, Mount Mazama. A volcanic eruption roughly 7,700 years ago caused the mountain to collapse inward over time, forming a volcanic crater, the park says.
The highway approaches Crater Lake National Park from the south, and is known as the Crater Lake Highway. While the highway is signed east-to-west, it is in reality shaped somewhat like a horseshoe ; heading north-northeast from Medford, turning east as it approaches the park, and then turning south-southeast as it approaches Klamath Falls.
At Fort Klamath, the byway joins OR 62 and continues north for 16 miles (26 km), where it turns onto Munson Valley Road and enters Crater Lake National Park. At this point, the road becomes Rim Drive, a 33-mile (53 km) loop that follows the caldera rim around Crater Lake. At Merriam Point, Rim Drive splits and turns north.
Oregon Route 138 is an Oregon state highway that runs between the city of Elkton and a junction with U.S. Route 97 at Diamond Lake Junction. The highway has several distinct stretches, and is the main east–west highway through Roseburg, and provides access to Crater Lake National Park from the north. The highway is signed east–west.
A man planning a camping trip using Google Maps ran across a uniquely curved spherical pit in Quebec. It may be an ancient asteroid impact crater. A Camper Was Playing With Google Maps—and ...