Cartes topographiques United States

Most of Southern California has a Mediterranean-like climate, with warm and dry summers, mild and wet winters, where cool weather and freezing temperatures are rare. Southern California contains other types of climates, including semi-arid, desert and mountain, with infrequent rain and many sunny days. Summers…

Altitude moyenne : 579 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…

Altitude moyenne : 65 m

Altitude moyenne : 218 m

Bloomington is an area of irregular limestone terrain characterized by sinks, ravines, fissures, underground streams, sinking streams, springs and caves. It is in the rolling hills of southern Indiana, resting on the intersection of the Norman Uplands and the Mitchell Plain. The city's relatively varied…

Altitude moyenne : 241 m

Altitude moyenne : 296 m

Altitude moyenne : 180 m

Just south of Jacksonville and north of Saint Augustine is the boundary of where the Floridian Peninsula ends and Continental North America begins; Jacksonville is north of that line. While still in the North American Coastal plain, the topography begins to take on slight Piedmont characteristics. Like the…

Altitude moyenne : 9 m

Altitude moyenne : 0 m

Altitude moyenne : 2 228 m

Altitude moyenne : 215 m

Altitude moyenne : 7 m

Altitude moyenne : 453 m

Altitude moyenne : 478 m

Highlands was founded in 1875 after its two founders, Samuel Truman Kelsey and Clinton Carter Hutchinson, drew lines from Chicago to Savannah and from New Orleans to New York City. They felt that the place where these lines met would eventually become a great trading center and commercial crossroads. Highlands…

Altitude moyenne : 1 090 m

Boston has an area of 89.63 sq mi (232.1 km2)—48.4 sq mi (125.4 km2) (54%) of land and41.2 sq mi (106.7 km2) (46%) of water. The city's official elevation, as measured at Logan International Airport, is 19 ft (5.8 m) above sea level. The highest point in Boston is Bellevue Hill at 330 ft (100 m) above sea…

Altitude moyenne : 26 m

Altitude moyenne : 267 m

Altitude moyenne : 98 m

Altitude moyenne : 239 m

Altitude moyenne : 273 m

Altitude moyenne : 372 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…

Altitude moyenne : 255 m

Altitude moyenne : 457 m

Altitude moyenne : 190 m

The uppermost lock and dam on the Upper Mississippi River is the Upper St. Anthony Falls Lock and Dam in Minneapolis. Above the dam, the river's elevation is 799 feet (244 m). Below the dam, the river's elevation is 750 feet (230 m). This 49-foot (15 m) drop is the largest of all the Mississippi River locks…

Altitude moyenne : 344 m

The Rio Grande rises in high mountains and flows for much of its length at high elevation; Albuquerque is 5,312 feet (1,619 m), and El Paso 3,762 feet (1,147 m) above sea level. In New Mexico, the river flows through the Rio Grande rift from one sediment-filled basin to another, cutting canyons between the…

Altitude moyenne : 1 502 m

Altitude moyenne : 22 m

Altitude moyenne : 460 m

Altitude moyenne : 2 164 m

Altitude moyenne : 2 167 m

Altitude moyenne : 222 m

Altitude moyenne : 238 m

Altitude moyenne : 886 m

Altitude moyenne : 417 m

Altitude moyenne : 653 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…

Altitude moyenne : 0 m

Altitude moyenne : 346 m

Altitude moyenne : 330 m

Altitude moyenne : 1 160 m

Altitude moyenne : 441 m

Altitude moyenne : 414 m

Altitude moyenne : 4 m

Altitude moyenne : 55 m

The Angeles National Forest manages the habitats, flora and fauna ecosystems, and watersheds. Some of the rivers with watersheds within its boundaries provide valuable non-groundwater recharge water for Southern California. The existing protected and restored native vegetation absorb and slow surface runoff of…

Altitude moyenne : 782 m

One possible origin of palm in the place name comes from early Spanish explorers who referred to the area as La Palma de la Mano de Dios or "The Palm of God's hand". The earliest use of the name "Palm Springs" is from United States Topographical Engineers who used the term in 1853 maps. According to William…

Altitude moyenne : 859 m

The island is mostly mountainous with large coastal areas in the north and south. The main mountain range is called "La Cordillera Central" (The Central Range). The highest elevation in Puerto Rico, Cerro de Punta 4,390 feet (1,340 m), is located in this range.

Altitude moyenne : 65 m

Altitude moyenne : 2 m

Altitude moyenne : 659 m

Altitude moyenne : 1 537 m

Altitude moyenne : 83 m

Altitude moyenne : 1 m

Altitude moyenne : 467 m

Altitude moyenne : 208 m

Altitude moyenne : 35 m

Altitude moyenne : 285 m

Altitude moyenne : 4 m

Altitude moyenne : 102 m

Altitude moyenne : 161 m

Altitude moyenne : 22 m

Altitude moyenne : 243 m

Altitude moyenne : 3 495 m

Altitude moyenne : 744 m

Altitude moyenne : 792 m

Altitude moyenne : 24 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…

Altitude moyenne : 2 m

Altitude moyenne : 503 m

Altitude moyenne : 3 m

Altitude moyenne : 421 m

Altitude moyenne : 582 m

Altitude moyenne : 4 m

Altitude moyenne : 2 858 m

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.

Altitude moyenne : 2 953 m

The city is located on the northeastern edge of Texas Hill Country. Portions of Georgetown are located on either side of the Balcones Escarpment, a fault line in which the areas roughly east of IH-35 are flat and characterized by having black, fertile soils of the Blackland Prairie, and the west side of the…

Altitude moyenne : 219 m

In the 1860s, San Franciscans began to feel the need for a spacious public park similar to Central Park, which was then taking shape in New York City. Golden Gate Park was carved out of unpromising sand and shore dunes that were known as the Outside Lands, in an unincorporated area west of San Francisco's…

Altitude moyenne : 71 m

Altitude moyenne : 181 m

Altitude moyenne : 133 m

Altitude moyenne : 141 m

According to the United States Census Bureau, the city has a total area of 6.9 square miles (18 km2), all land, at an elevation of 5,630 feet (1,720 m).

Altitude moyenne : 1 744 m

Altitude moyenne : 2 083 m

Altitude moyenne : 238 m

According to the Trewartha climate classification system, the higher elevation Pocono Plateau Region of Monroe County has a Temperate Continental climate (Dc) with warm summers (b), cold winters (o) and year-around precipitation (Dcbo). Dcbo climates are characterized by at least one month having an average…

Altitude moyenne : 361 m

Hernando County features a diverse and gently rolling topography that distinguishes it from many of the flatter regions of the state. The landscape is primarily characterized by elevations ranging from about 10 feet near the coastline to peaks reaching over 200 feet, with the highest point being Chinsegut Hill…

Altitude moyenne : 18 m

Altitude moyenne : 6 m

Altitude moyenne : 794 m

Grand Teton National Park is named for Grand Teton, the tallest mountain in the Teton Range. The naming of the mountains is attributed to early 19th-century French-speaking trappers—les trois tétons (the three teats) was later anglicized and shortened to Tetons. At 13,775 feet (4,199 m), Grand Teton…

Altitude moyenne : 2 409 m

Adirondack Park, covering over six million acres, features a diverse topography characterized by rugged mountains, extensive forests, and numerous waterways. The park is dominated by the Adirondack Mountains, which contain 46 peaks exceeding 4,000 feet, with Mount Marcy standing at 5,343 feet as the highest…

Altitude moyenne : 371 m

Altitude moyenne : 95 m

Altitude moyenne : 65 m

The range's highest point — 11,928 feet (3,636 m) — is Mount Nebo, a triple peak rising above Nephi, at the southern end of the range. In some places the mountains rise steeply from the valley's base elevation of 4,330 feet (1,320 m) to over 11,000 feet (3,400 m). Other notable peaks include Mount…

Altitude moyenne : 1 882 m

Altitude moyenne : 160 m

The Blue Ridge section comprises the western section of the Blue Ridge Province, the crests of which form most of the Tennessee-North Carolina border. At an average elevation of 5,000 feet (1,500 m) above sea level, this physiographic province contains the highest elevations in the state. The Blue Ridge region…

Altitude moyenne : 435 m

Altitude moyenne : 277 m

Altitude moyenne : 301 m

Altitude moyenne : 571 m

Altitude moyenne : 1 127 m

Altitude moyenne : 33 m

Altitude moyenne : 93 m

Fort Irwin National Training Center (Fort Irwin NTC) is a major training area for the United States military in the Mojave Desert in northern San Bernardino County, California. Fort Irwin is at an average elevation of 2,454 feet (748 m). It is located 37 miles (60 km) northeast of Barstow, in the Calico…

Altitude moyenne : 774 m

Altitude moyenne : 1 145 m

Altitude moyenne : 1 984 m

Altitude moyenne : 130 m