Mappe topografiche Oregon
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Willamette River
The Willamette River drains a region of 11,478 square miles (29,730 km2), which is 12 percent of the total area of Oregon. Bounded by the Coast Range to the west and the Cascade Range to the east, the river basin is about 180 miles (290 km) long and 100 miles (160 km) wide. Elevations within the watershed…
Altitudine media: 348 m
Willamette National Forest
The elevation of the forest ranges from about 1,500 feet (460 m) above sea level on the western edge of the forest to almost 10,500 feet (3,200 m) at the top of Mount Jefferson, Oregon's second highest peak. Seven major peaks of the Cascades—Mount Jefferson, Mount Washington, Three Fingered Jack, Diamond…
Altitudine media: 1.001 m
Tualatin River
United States > Oregon > Washington County
The drainage area of the river is approximately 712 square miles (1,840 km2) with 27 creeks feeding into the Tualatin. Its watershed is 15 percent urbanized, 35 percent agricultural, and 50 percent forested. The river drops 1,800 feet (550 m) in elevation during its first 12 miles (19 km) and then only an…
Altitudine media: 117 m
Hood River
United States > Oregon > Hood River County
Temperatures for the year as a whole are slightly cooler than in most other low-elevation towns in the region, especially at night because of air drainage off the surrounding mountains.
Altitudine media: 112 m
Rocky Butte
United States > Oregon > Multnomah County > Portland
Rocky Butte lies in the northeast part of Portland within the city limits, in Multnomah County, part of the U. S. state of Oregon. It is one of the few smaller volcanic cones within or near Portland, along with Mount Tabor, Kelly Butte, and Powell Butte. According to the U.S. National Geodetic Survey, Rocky…
Altitudine media: 67 m
Mount Bachelor
United States > Oregon > Deschutes County
Mount Bachelor lies in the Cascade Range, within Deschutes County, in the U.S. state of Oregon. It is located south of the Three Sisters complex volcano, and reaches an elevation of 9,068 feet (2,764 m). It rises 3,500 feet (1,100 m) above its base, with a proximal relief of 2,674 feet (815 m). The volcano has…
Altitudine media: 2.325 m
Black Butte
United States > Oregon > Jefferson County
According to the U.S. National Geodetic Survey and scientists from the United States Geological Survey, Black Butte has an elevation of 6,436 feet (1,962 m); the Geographic Names Information System database lists its elevation as 6,430 feet (1,960 m), while Oregon Geographic Names lists its elevation at 6,415…
Altitudine media: 1.514 m
Mount Mazama
United States > Oregon > Klamath County
Mount Mazama (Tum-sum-ne in the Native American language Klamath) is a complex volcano in the western U.S. state of Oregon, in a segment of the Cascade Volcanic Arc and Cascade Range. The volcano is in Klamath County, in the southern Cascades, 60 miles (97 km) north of the Oregon–California border. Its…
Altitudine media: 1.880 m
Hager Mountain
United States > Oregon > Lake County
Hager Mountain is located on the edge of Oregon's high desert in the northwest corner of the Basin and Range Province of the western United States. The mountain is in Lake County, approximately 10 miles (16 km) south of the small unincorporated community of Silver Lake. The summit of Hager Mountain is at 7,189…
Altitudine media: 1.882 m
Mount McLoughlin
United States > Oregon > Jackson County
The major landmark for the Rogue River Valley, Mount McLoughlin reaches an elevation of 9,493 ft (2,893 m). The tallest volcano in between Mount Shasta — located 70 mi (110 km) to the south — and South Sister 120 miles (190 km) to the north, it lies in the Cascade Range, in the southern portion of the U.S.…
Altitudine media: 2.296 m