Mount Hebo is a mountain located on the border of Tillamook County and Yamhill County in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

. Mount Hebo is known for being one of the best, most easily accessed viewpoints in the north

Oregon Coast The Oregon Coast is a coastal region of the U.S. state of Oregon. It is bordered by the Pacific Ocean to its west and the Oregon Coast Range to the east, and stretches approximately from the California state border in the south to the Columbia ...

, with a 360-degree view from the summit. Mount Hebo is part of the

Northern Oregon Coast Range The Northern Oregon Coast Range is the northern section of the Oregon Coast Range, in the Pacific Coast Ranges physiographic region, located in the northwest portion of the state of Oregon, United States. This section of the mountain range, part o ...

and is located in the

Siuslaw National Forest The Siuslaw National Forest ( ) is a national forest in western Oregon in the United States. Established in 1908, the Siuslaw is made up of a wide variety of ecosystems, ranging from coastal forests to sand dunes. Geography The Siuslaw Nat ...

overlooking the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

. Access to the summit is provided by an eight-mile forest service

road A road is a thoroughfare used primarily for movement of traffic. Roads differ from streets, whose primary use is local access. They also differ from stroads, which combine the features of streets and roads. Most modern roads are paved. Th ...

that begins about a quarter mile from the junction of

U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a major north–south highway that traverses the states of California, Oregon, and Washington on the West Coast of the United States. It is part of the United States Numbered Highway Syst ...

and

Oregon Route 22 Oregon Route 22 is an Oregon state highway that runs between the Oregon Coast community of Hebo, Oregon, Hebo, to a junction with U.S. Route 20 in Oregon, U.S. Route 20 near Santiam Pass in the Cascade Mountains. OR 22 traverses several hi ...

in the community of

Hebo Hebo (), also known as Bingyi (), is the god of the Yellow River (''Huang He''). The Yellow River is the main river of northern China, one of the world's major rivers and a river of great cultural importance in China. This is reflected in Chinese ...

. Mount Hebo was apparently named by a viewing party seeking a new route to the

Willamette Valley The Willamette Valley ( ) is a valley in Oregon, in the Pacific Northwest region of the United States. The Willamette River flows the entire length of the valley and is surrounded by mountains on three sides: the Cascade Range to the east, the ...

that climbed the mountain to get a better view of the terrain. A member of the party said the mountain should be called "Heave Ho" because from their position it looked like it had been heaved up from its surroundings. The name became distorted over the years to its present form. Mount Hebo was the site of the Mount Hebo Air Force Station, a long-range radar installation, 1956–1980.

Geology

Mount Hebo is a dead

volcano A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most oft ...

, which is another name for an

extinct volcano A volcano is commonly defined as a vent or fissure in the Crust (geology), crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and volcanic gas, gases to escape from a magma chamber below the surface. On Earth ...

. Mount Hebo was either a

seamount A seamount is a large submarine landform that rises from the ocean floor without reaching the water surface (sea level), and thus is not an island, islet, or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abruptly a ...

or an on-land volcano that was part of the

Oregon Coast Range The Oregon Coast Range, often called simply the Coast Range and sometimes the Pacific Coast Range, is a mountain range, in the Pacific Coast Ranges Physiographic regions of the world, physiographic region, in the United States, U.S. state of Or ...

References

External links

* Landforms of Tillamook County, Oregon Landforms of Yamhill County, Oregon Mountains of the Oregon Coast Range Volcanoes of Oregon Extinct volcanoes of the United States {{YamhillCountyOR-geo-stub