Columbia River topographic map

The Appalachian Mountains (French: Appalaches), often called the Appalachians, are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They once reached elevations similar to those of the Alps and the Rocky…

Average elevation: 1,463 m

Average elevation: 218 m

Average elevation: 3 m

The San Francisco Bay Area is characterized by a diverse and dynamic topography shaped by geological processes over millions of years. This region features a combination of coastal plains, steep hills, and rugged mountains, all influenced by the tectonic activity associated with the nearby San Andreas Fault…

Average elevation: 113 m

Baltimore is in north-central Maryland on the Patapsco River close to where it empties into the Chesapeake Bay. The city is also located on the fall line between the Piedmont Plateau and the Atlantic coastal plain, which divides Baltimore into "lower city" and "upper city". The city's elevation ranges from sea…

Average elevation: 65 m

Anna Maria Island features a flat, sandy topography typical of a barrier island on the Gulf Coast. With an average elevation of around 15 feet above sea level, the terrain includes broad beaches, low dunes, and narrow stretches of sandy soil, making it highly vulnerable to storm surges and tidal flooding. The…

Average elevation: 2 m

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On June 20, 1944, a C-54-A cargo plane on the Newfoundland to Washington, D.C. leg of trans-Atlantic TWA Flight 277 from England was pushed 70 miles (110 km) north of its planned course by stormy weather, which prevented obtaining visual or radio location fixes. The crew was unaware the aircraft had entered…

Average elevation: 944 m

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Average elevation: 245 m

Tropical cyclones present special dangers and challenges to the entire Keys. Because no area of the islands is more than 20 feet (6.1 m) above sea level (and many are only a few feet elevation), and water surrounds the islands, nearly every neighborhood is subject to flooding as well as hurricane winds. In…

Average elevation: 0 m

El Dorado Hills (EDH), as defined by the 2010 census-designated place (CDP), is at the western border of El Dorado County, between the City of Folsom and the unincorporated community of Cameron Park. The northern limits of the CDP are Folsom Lake and the South Fork of the American River, where river rafters…

Average elevation: 254 m

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Vail's average elevation is 8,150 feet (2484 m) above sea level. The town has a total area of 4.5 square miles (12 km2), with no lakes (there is, however, at least one pond). Gore Creek flows from east to west through the center of town.

Average elevation: 2,953 m

Average elevation: 276 m

Average elevation: 217 m

Togwotee Pass (pronounced TOH-guh-tee) is a high mountain pass in the western United States, at an elevation of 9,655 feet (2,943 m) above sea level. On the Continental Divide in the Absaroka Range of northwestern Wyoming in Teton County, it is between Dubois and Moran Junction in the Jackson Hole valley.

Average elevation: 2,965 m

Average elevation: 182 m

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Timberline Lodge is a National Historic Landmark located on the southern flank of Mount Hood just below Palmer Glacier, with an elevation of about 6,000 ft (1,800 m).

Average elevation: 2,716 m

Average elevation: 464 m

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Average elevation: 246 m

Atlanta (/ætˈlæntə/ at-LAN-tə) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia. With a population of 498,715 living within the city limits, it is the eighth most populous city in the Southeast and 38th most populous…

Average elevation: 285 m

Average elevation: 214 m

Mauna Kea (/ˌmaʊnə ˈkeɪə/; Hawaiian: [ˈmɐwnə ˈkɛjə]; abbreviation for Mauna a Wākea) is a dormant volcano on the island of Hawaiʻi. Its peak is 4,207.3 m (13,803 ft) above sea level, making it the highest point in the state of Hawaiʻi and second-highest peak of an island on Earth. The peak is…

Average elevation: 3,978 m

Burke is located about 7 miles (11 km) northeast of Wallace, at an elevation of 3,700 feet (1,130 m) above sea level. It is accessed from Wallace on Burke-Canyon Creek Road (State Highway 4). The town is located approximately 100 miles (160 km) south of the Canadian province of British Columbia, and roughly 5…

Average elevation: 1,459 m

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Average elevation: 2,573 m

Average elevation: 7 m

Oakhurst is located on the Fresno River 3 miles (5 km) south-southwest of Yosemite Forks, at an elevation of 2,274 feet (693 m). Its coordinates are 37°19′41″N 119°38′58″W / 37.32806°N 119.64944°W / 37.32806; -119.64944. It is located at the junction of state highways 41 and 49, at the…

Average elevation: 837 m

Average elevation: 285 m

Although the term "Blue Ridge" is sometimes applied exclusively to the eastern edge or front range of the Appalachian Mountains, the geological definition of the Blue Ridge province extends westward to the Ridge and Valley area, encompassing the Great Smoky Mountains, the Great Balsams, the Roans, the Blacks,…

Average elevation: 460 m

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The highest point in the municipality is Pico del Oeste in the Sierra de Luquillo at 3,346 feet (1,020 m) of elevation.

Average elevation: 50 m

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The city is in the Salt River Valley, or the "Valley of the Sun," in the northern reaches of the Sonoran Desert. Scottsdale, 31 mi (50 km) long and 11.4 mi (18.3 km) wide at its widest point, shares boundaries with many other municipalities and entities. On the west, Scottsdale is bordered by Phoenix, Paradise…

Average elevation: 414 m

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Average elevation: 31 m

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Average elevation: 3,812 m

The Black Hills is an isolated mountain range rising from the Great Plains of North America in western South Dakota and extending into Wyoming, United States. Black Elk Peak, which rises to 7,242 feet (2,207 m), is the range's highest summit. The name of the range in Lakota is Pahá Sápa. It encompasses the…

Average elevation: 1,894 m

The Santa Cruz Mountains are a region of great biological diversity, encompassing cool, moist coastal ecosystems as well as warm, dry chaparral. Much of the area in the Santa Cruz mountains is considered temperate rainforest. In valleys and moist ocean-facing slopes some of the southernmost coast redwoods…

Average elevation: 230 m

Average elevation: 267 m

In June 1856, Fernando Wood appointed a "consulting board" of seven people, headed by author Washington Irving, to inspire public confidence in the proposed development. Wood hired military engineer Egbert Ludovicus Viele as the park's chief engineer, tasking him with a topographical survey of the site. The…

Average elevation: 26 m

Average elevation: -1 m

Palm Harbor is characterized by its unique topography, which features a relatively rare hilly landscape for the region. Unlike much of the surrounding areas in Pinellas County, which are predominantly flat, Palm Harbor includes elevations that can reach up to about 75 feet above sea level. This elevation gives…

Average elevation: 9 m

According to the United States Census Bureau, the city has a total area of 497 square miles (1,290 km2), of which 249 square miles (640 km2) is land and 248 square miles (640 km2) (49.9%) is water. It is the largest city in Virginia by total area and third-largest city land area. The average elevation is 12…

Average elevation: 2 m

Evergreen sits at an elevation of 7,220 feet (2,200 m) in the Rocky Mountains, 19 miles west of Denver, Colorado. Its addresses are oriented according to the Street_system_of_Denver.

Average elevation: 2,309 m

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Average elevation: 293 m