Cartes topographiques United States

Altitude moyenne : 285 m

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

Altitude moyenne : 218 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

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 : 2 029 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 : 5 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 : 4 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

Altitude moyenne : 370 m

Altitude moyenne : 22 m

Altitude moyenne : 1 145 m

Altitude moyenne : 23 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 : 478 m

Altitude moyenne : 7 m

Altitude moyenne : 243 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

Kauai, known as the "Garden Isle," features a remarkably diverse topography shaped by its volcanic origins and extensive erosion over millions of years. The island is characterized by a central mountainous region, dominated by the towering 5,148-foot Mount Waiʻaleʻale, one of the wettest places on Earth, and…

Altitude moyenne : 216 m

Altitude moyenne : 185 m

Altitude moyenne : 425 m

Altitude moyenne : 1 537 m

Altitude moyenne : 1 984 m

Altitude moyenne : 1 034 m

Altitude moyenne : 2 520 m

In Kohala, the numerous dikes near the summit inhibit groundwater from seeping downslope to the northeast, where it naturally wants to go. Rather, the Kohala dike complex guides it northwest or southeast, down the axis of the rift zones, just like the surface water. On the other hand, the three smaller valleys…

Altitude moyenne : 1 489 m

Altitude moyenne : 267 m

Altitude moyenne : 166 m

Altitude moyenne : 4 m

Hagerstown has a distinct topography, formed by stone ridges running from northeast to southwest through the center of town. Geography accordingly bounds its neighborhoods. These ridges consist of upper Stonehenge limestone. Many of the older buildings were built from this stone, which is easily quarried and…

Altitude moyenne : 170 m

Altitude moyenne : 105 m

Altitude moyenne : 2 016 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 : 93 m

Altitude moyenne : 109 m

Altitude moyenne : 172 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

Montgomery County features a predominantly flat terrain, with average elevations ranging from about 100 to 350 feet above sea level. The landscape is gently rolling, particularly towards the northern areas, and is interspersed with several lakes, such as the expansive Lake Conroe. This large reservoir, formed…

Altitude moyenne : 69 m

Altitude moyenne : 678 m

Altitude moyenne : 98 m

Altitude moyenne : 133 m

Altitude moyenne : 933 m

Altitude moyenne : 518 m

Altitude moyenne : 794 m

Saratoga County is situated in the eastern portion of New York State, north of the state capital city of Albany, northwest of Troy, and east of Utica. According to the U.S. Census Bureau, the county has a total area of 844 square miles (2,190 km2), of which 810 square miles (2,100 km2) are land and 34 square…

Altitude moyenne : 218 m

Altitude moyenne : 489 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 : 31 m

Altitude moyenne : 83 m

Altitude moyenne : 599 m

Altitude moyenne : 51 m

Altitude moyenne : 69 m

Altitude moyenne : 1 876 m

Altitude moyenne : 2 495 m

Altitude moyenne : 188 m

Altitude moyenne : 102 m

Altitude moyenne : 477 m

Altitude moyenne : 653 m

Altitude moyenne : 0 m

Altitude moyenne : 355 m

Altitude moyenne : 5 m

Altitude moyenne : 331 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 : 962 m

Altitude moyenne : 2 m

Altitude moyenne : 470 m

Altitude moyenne : 273 m

Altitude moyenne : 460 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…

Altitude moyenne : 414 m

Altitude moyenne : 1 514 m

Lockwood is in southern Monterey County, 6 miles (10 km) east-southeast of Jolon, 1.8 miles (2.9 km) north of the mouth of Tule Canyon, 3.0 miles (4.8 km) north of the San Antonio River, and 9.3 miles (15.0 km) north of Bryson, at an elevation of 971 feet (296 m). It is 9 miles (14 km) northwest of Lake San…

Altitude moyenne : 307 m

Altitude moyenne : 468 m

Altitude moyenne : 872 m

Altitude moyenne : 222 m

Altitude moyenne : 4 m

Altitude moyenne : 87 m

Altitude moyenne : 69 m

Altitude moyenne : 250 m

Altitude moyenne : 24 m

Altitude moyenne : 421 m

Altitude moyenne : 582 m

Altitude moyenne : 2 858 m

Altitude moyenne : 170 m

Altitude moyenne : 189 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

Saipan, the largest island in the Northern Mariana Islands, features a diverse and rugged topography shaped by volcanic activity. The island's central region is dominated by Mount Tapochau, its highest peak at 1,553 feet (474 meters), providing a dramatic backdrop to the surrounding landscape. This volcanic…

Altitude moyenne : 22 m

Altitude moyenne : 84 m

Altitude moyenne : 285 m

Altitude moyenne : 713 m

Altitude moyenne : 1 127 m

Altitude moyenne : 295 m

Altitude moyenne : 130 m

Altitude moyenne : 22 m

Altitude moyenne : 476 m

Altitude moyenne : 95 m

Altitude moyenne : 19 m

Altitude moyenne : 161 m