PHOTOS: Crater Lake National Park

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim. At left is Mount Shasta, at right is Mount McLoughlin.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim, where Lisa and Heath Fry of Mooresville, N.C., take it in.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim, where Teresa and Abby Degarlais of Savannah, Ga., enjoy the snow.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on The Watchman, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Discovery Point.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. Wizard Island viewed from Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim. Mount Thielsen and Hillman Peak.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Discovery Point.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. Wizard Island.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. Sam Young and Terry Bellamy view a model at the park headquarters.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. Stuffed animals in a gift shop at the park headquarters.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. Volunteer Tim Elam shows Sam Young and Terry Bellamy a model of the park.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim, where Gabrielle and Lisa Fry of Mooresville, N.C., take it in.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on The Watchman, high on the western rim, where Kris Griffith and Maria Cabanillas take it in. At left are Mounts Shasta and McLoughlin.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. Ripples in the lake.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim, where Maria Cabanillas takes a look.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim. To the southeast is the Klamath Basin.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Rim Village. Wizard Island and the lake's namesake crater.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is Discovery Point.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Llao Rock. Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim, where Teresa and Abby Degarlais of Savannah, Ga., make a snowman.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim. Wizard Island and the lake's namesake crater.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim.

Crater Lake, Oregon's only national park, features nearly unlimited recreation options in and around the six-mile-wide caldera. One source of stunning views is the hike to the old fire lookout on Watchman Peak, high on the western rim, where Abby Degarlais of Savannah, Ga., enjoys the snow.