Mount Jefferson is a stratovolcano in the Cascade Volcanic Arc, part of the Cascade Range in the U.S. state of Oregon. The second highest mountain in Oregon, it is situated within Linn County, Jefferson County, and Marion County and forms part of the Mount Jefferson Wilderness. Due to the ruggedness of its surroundings, the mountain is one of the hardest volcanoes to reach in the Cascades. It is also a popular tourist destination despite its remoteness, with recreational activities including hiking, backpacking, mountaineering, and photography. Vegetation at Mount Jefferson is dominated by Douglas fir, silver fir, mountain hemlock, ponderosa pine, lodgepole pine, and several cedar species. Carnivores, insectivores, bats, rodents, deer, birds, and various other species inhabit the area.
The Molalla River is a 51-mile (82 km) tributary of the Willamette River in the northwestern part of Oregon in the United States. Flowing northwest from the Cascade Range through Table Rock Wilderness, it passes the city of Molalla before entering the larger river near Canby. The Molalla is the largest Willamette tributary unblocked by a dam.
The McKenzie River is a 90-mile (145 km) tributary of the Willamette River in western Oregon in the United States. It drains part of the Cascade Range east of Eugene and flows westward into the southernmost end of the Willamette Valley. It is named for Donald McKenzie, a Scottish Canadian fur trader who explored parts of the Pacific Northwest for the Pacific Fur Company in the early 19th century. As of the 21st century, six large dams have been built on the McKenzie and its tributaries.
The Three Sisters Wilderness is a wilderness area in the Cascade Range, within the Willamette and Deschutes National Forests in Oregon, United States. It comprises 286,708 acres (1,160.27 km2), making it the second largest wilderness area in Oregon, after the Eagle Cap Wilderness. It was established by the United States Congress in 1964 and is named for the Three Sisters volcanoes. The wilderness boundary encloses the Three Sisters as well as Broken Top, which is southeast of South Sister.
The Willamette National Forest is a National Forest located in the central portion of the Cascade Range of the U.S. state of Oregon. It comprises 1,678,031 acres (6,790.75 km2). Over 380,000 acres are designated wilderness which include seven major mountain peaks. There are also several National Wild and Scenic Rivers within the forest. The forest is named for the Willamette River, which has its headwaters in the forest. The forest headquarters are located in the city of Springfield. There are local ranger district offices in McKenzie Bridge, Detroit, Sweet Home, and Westfir.
Drift Creek Wilderness is a 5,798-acre (2,346 ha) wilderness area in the Siuslaw National Forest on the Oregon Coast. It was created in 1984, along with two other small wilderness areas in the forest - Cummins Creek Wilderness and Rock Creek Wilderness. The elevation of Drift Creek ranges from 150 to 1,500 feet, and is characterized by long steep slopes with broken and uneven terrain. Drift Creek was named for the accumulations of driftwood on its banks.
The Three Sisters are closely spaced volcanic peaks in the U.S. state of Oregon. They are part of the Cascade Volcanic Arc, a segment of the Cascade Range in western North America extending from southern British Columbia through Washington and Oregon to Northern California. Each more than 10,000 feet (3,000 m) in elevation, they are the third-, fourth- and fifth-highest peaks in Oregon. Located in the Three Sisters Wilderness at the boundary of Lane and Deschutes counties and the Willamette and Deschutes national forests, they are about 10 miles (16 km) south of the nearest town, Sisters. Diverse species of flora and fauna inhabit the area, which is subject to frequent snowfall, occasional rain, and extreme temperature variation between seasons. The mountains, particularly South Sister, are popular destinations for climbing and scrambling.
The Table Rock Wilderness is a small pocket wilderness designated in 1984 in the western Cascade Mountains in northwestern Oregon, United States. The wilderness area protects 5,500 acres (2,200 ha) of forest in the historic Molalla River–Pudding River drainage basin, some 19 miles (31 km) southeast of Molalla, Oregon and 50 miles (80 km) southeast of Portland. Somewhat unusual for a wilderness in this area is that it is on BLM land rather the nearby Mount Hood National Forest.
The Diamond Peak Wilderness is a wilderness area straddling the Cascade crest and includes the Diamond Peak volcano. It is located within two National Forests - the Willamette National Forest on the west and the Deschutes National Forest on the east.
Diamond Peak is a volcano in Klamath and Lane counties of central Oregon in the United States. It is a shield volcano, though it might also be considered a modest stratocone. Diamond Peak forms part of the Cascade Volcanic Arc, a segment of the Cascade Range in western North America extending from southern British Columbia through Oregon to Northern California. Reaching an elevation of 8,748 feet (2,666 m), the mountain is located near Willamette Pass in the Diamond Peak Wilderness within the Deschutes and Willamette national forests. Surrounded by coniferous forest and visible in the skyline from foothills near Eugene, Diamond Peak offers a few climbing routes and can be scrambled. Diamond Peak is one of Oregon's Matterhorns.
The Boulder Creek Wilderness is a wilderness area located in the Umpqua National Forest in the southern Cascade Range of Oregon, United States. It was designated by the United States Congress in 1984 and comprises 19,100 acres (7,729 ha).
The Middle Santiam Wilderness is a wilderness area located near Mount Washington in the central Cascade Range of Oregon, U.S., within the Willamette National Forest.
The Mount Washington Wilderness is a wilderness area located on and around Mount Washington in the central Cascade Range of Oregon in the United States. The wilderness was established in 1964 and comprises 54,278 acres (219.66 km2) of the Willamette National Forest and Deschutes National Forest. It is administered by the U.S. Forest Service.
The Mount Jefferson Wilderness is a wilderness area located on and around Mount Jefferson in the central Cascade Range of Oregon in the United States. The wilderness lies within the Willamette National Forest and Deschutes National Forest. The wilderness area covers 111,177 acres (449.92 km2), with more than 150 lakes. It also has 190 miles (310 km) of trails, including 40 miles (64 km) of the Pacific Crest National Scenic Trail. Three Fingered Jack and Mount Jefferson are both prominent features of the wilderness area. Mount Jefferson Wilderness is the second most visited Oregon wilderness area after the Three Sisters Wilderness.
The Salmon–Huckleberry Wilderness is a wilderness area located on the southern side of Mount Hood in the northwestern Cascades of Oregon, in the United States. It lies within the Mount Hood National Forest and comprises 62,061 acres (25,115 ha) of land. The United States Congress designated the area Wilderness in 1984.
Hoodoo Butte is a cinder cone butte in the Cascade Range of northern Oregon, located near Santiam Pass. Immediately to the east lies Hayrick Butte, a prime example of a tuya; the two mountains' names were likely mistaken for each other, but stuck with them over time. The area has been subjected to a number of historic fires. Hoodoo is sometimes considered a subfeature of the Mount Washington shield volcano, and it forms part of the Sisters Reach, which extends from South Cinder Peak to Crane Prairie Reservoir, running for 56 miles (90 km). This region has a high vent density, with many mafic volcanoes of Pleistocene to Holocene age, such as Hoodoo. While Hoodoo has an intact summit crater that was blocked from erosion by glaciers, it has an irregular topography, giving it an open appearance.
Waldo Lake Wilderness is a wilderness area surrounding Waldo Lake in the central Oregon Cascades. It is located within the Willamette National Forest. It was established in 1984 and consists of 37,162 acres (15,039 ha).
Todd Lake is a natural lake near the crest of the Cascade Range in central Oregon in the United States. The lake covers 45 acres (18 ha). It is named in honor of John Y. Todd, an early settler in Central Oregon. Today, the lake and surrounding forest is managed by the United States Forest Service as part of the Deschutes National Forest. The Oregon Department of Fish and Wildlife regularly stocks the lake with brook trout. There is a day-use area and a rustic campground located on the west shore of the lake. In the summer, Todd Lake is a popular outdoor recreation site for picnicking, fishing, hiking, and nature viewing. In the winter, trails in the Todd Lake area are used for cross-country skiing and snowshoeing.
The Oregon Skyline Trail is a long-distance trail in the Cascade Mountains of Oregon. The trail extends 428 miles (689 km) from Cascade Locks on the Columbia River south to Siskiyou Summit near the Oregon-California border. The century-old trail is a foot and equestrian path that passes through nine wilderness areas, Crater Lake National Park, and Cascade-Siskiyou National Monument. Historically known as the Oregon Skyline Trail or Skyline Trail, the entire length of the trail was incorporated into the Pacific Crest National Scenic Trail in 1968.
