Ohio River topographic map

Average elevation: 1 m

The core Tug Hill region encompasses 150,000 acres (610 km2) of unbroken, generally second-growth, northern hardwood forest, and is drained by a vast network of streams. Important rivers and streams whose headwaters are located within the Tug Hill region include the Mohawk River, Deer River, Salmon River, Mad…

Average elevation: 109 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: 218 m

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

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

Average elevation: 370 m

Average elevation: 296 m

Average elevation: 0 m

Average elevation: 87 m

Average elevation: 760 m

Average elevation: 1,514 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

Average elevation: 2,569 m

Average elevation: 194 m

Average elevation: 2,164 m

Average elevation: 22 m

The confluence of the Scioto and Olentangy rivers is just north-west of Downtown Columbus. Several smaller tributaries course through the Columbus metropolitan area, including Alum Creek, Big Walnut Creek, and Darby Creek. Columbus is considered to have relatively flat topography thanks to a large glacier that…

Average elevation: 255 m

The climate in San Diego, like most of Southern California, often varies significantly over short geographical distances, resulting in microclimates. In San Diego, this is mostly because of the city's topography (the Bay, and the numerous hills, mountains, and canyons). Frequently, particularly during the "May…

Average elevation: 57 m

Average elevation: 223 m

Average elevation: 1,417 m

Average elevation: 2,573 m

Average elevation: 2,858 m

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: 3,888 m

Average elevation: 210 m

Average elevation: 476 m

Average elevation: 309 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

Average elevation: 690 m

Average elevation: 98 m

Average elevation: 95 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: 886 m

Average elevation: 477 m

Average elevation: 83 m

Average elevation: 267 m

Average elevation: -1 m

Average elevation: 1,401 m

Average elevation: 599 m

Average elevation: 241 m

Despite its elevation of 10,541 feet (3,213 m), Glacier Peak is a small stratovolcano. Its relatively high summit is a consequence of its location atop a high ridge, but its volcanic portion extends only 1,600–3,200 feet (500–1,000 m) above the underlying ridge. Another Cascade Arc volcano with similar…

Average elevation: 2,656 m

Average elevation: 1,160 m

Average elevation: 314 m

Average elevation: 24 m

Average elevation: 133 m

Port Charlotte is characterized by a predominantly flat and low-lying terrain, typical of Florida’s coastal landscape. The area features a network of waterways, including the Peace River and Charlotte Harbor, which provide ample opportunities for recreational activities like boating and fishing. Elevations…

Average elevation: 4 m

Average elevation: 440 m

Average elevation: 197 m

Average elevation: 94 m

Average elevation: 8 m

Average elevation: 301 m

Average elevation: 133 m

Average elevation: 208 m

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

Average elevation: 193 m

Average elevation: 909 m

Average elevation: 712 m

Average elevation: 663 m

Average elevation: 376 m

Average elevation: 344 m

Average elevation: 1 m

Lakewood is located at 39°42′17″N 105°04′53″W / 39.70472°N 105.08139°W / 39.70472; -105.08139 at an elevation of 5,518 feet (1,682 m). Located at the junction of U.S. Route 6 and Colorado State Highway 121 in central Colorado, the city lies immediately west of Denver and 62 miles (100 km)…

Average elevation: 1,717 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

Average elevation: 170 m

Average elevation: 503 m

Average elevation: 460 m

Average elevation: 2,322 m

Average elevation: 180 m

Average elevation: 498 m

Average elevation: 208 m

Average elevation: 52 m

Average elevation: 31 m

Average elevation: 478 m

Average elevation: 365 m

Average elevation: 273 m

Average elevation: 924 m

Average elevation: 332 m

Average elevation: 468 m

Average elevation: 436 m

Average elevation: 109 m

Average elevation: 421 m

Average elevation: 3 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

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: 521 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

The high Uintas were extensively glaciated during the last ice age, and most of the large stream valleys on both the north and south sides of the range held long valley glaciers. However, despite reaching to over 13,500 feet (4,110 m) in elevation, the climate today is sufficiently dry that no glaciers…

Average elevation: 2,363 m

Average elevation: 4 m

Average elevation: 7 m

Average elevation: 1,127 m

Average elevation: 130 m

Average elevation: 93 m

Average elevation: 306 m

Average elevation: 51 m

Average elevation: 3 m

Average elevation: 744 m

Average elevation: 3,236 m

Average elevation: 46 m