Clarkston: US 12 at MP 413.3: Alpowa Summit
Alpowa Summit has served as a road crossing in southeastern Washington since US 12 was established in the twentieth century. The highway traverses open, rolling farmland on the approach to Clarkston, a Snake River city opposite Lewiston, Idaho, at the Clearwater River confluence. This is a working grain-growing district rather than a built-up urban area. Clarkston takes its name from William Clark of the Lewis and Clark Expedition, while its river port links the community with the Lower Snake River waterway. The summit gives this stretch of road the broad, exposed character of the inland Northwest.
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Clarkston has served as a river port in southeastern Washington since the late 19th century. The city occupies the west bank of the Snake River opposite Lewiston, Idaho, just below the Clearwater River’s confluence; together they form the Lewiston–Clarkston valley. The Port of Clarkston links the community to the Snake and Columbia river navigation system, while the route downstream leads toward Hells Canyon, carved by the Snake River. Clarkston was named for William Clark of the Lewis and Clark Expedition, whose journey is part of the wider history of this river corridor. Browse additional webcams from the Snake River country to extend your view of southeastern Washington.
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Washington’s terrain runs from Pacific coastal lowlands in the west to the dry Columbia Plateau in the east, with the Cascade Range creating a marked climatic divide. Central Washington lies on the plateau side of the Cascades, where the Columbia River has cut broad valleys and irrigation supports orchards and vineyards. The state also includes Puget Sound, the intricate marine inlet around Seattle, and the volcanic cone of Mount Rainier. Seattle’s Space Needle, built for the 1962 World’s Fair, remains one of its most recognisable landmarks. Move on to other webcams in the region to compare landscapes and settings around Washington.
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The Atlantic, Pacific and Gulf coasts define much of the United States — their ports, fisheries and trade routes have long tied the country’s economy to the wider world. Between them, the Rocky Mountains, Great Plains and Mississippi River basin form sharply different regions, from high western ranges to broad agricultural heartlands. Cities carry much of the national story: New York’s Statue of Liberty, a gift from France dedicated in 1886, remains an enduring symbol, while Washington, DC concentrates major federal institutions. Indigenous nations have shaped these lands for millennia, and their living cultures remain essential to the country’s identity. Find related webcams in the surrounding areas to build a fuller picture of the United States.
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