Carte topographique Clackamas

Portland features a striking and varied topography characterized by its location at the confluence of the Willamette and Columbia Rivers. The city lies within the fertile Willamette Valley, flanked by the snow-capped Cascade Mountains to the east, including the prominent Mount Hood, and the less elevated…

Altitude moyenne : 77 m

Bend is characterized by its distinctive topography, situated at an elevation of approximately 3,623 feet (1,105 meters) above sea level. The city lies within the high desert region of Central Oregon, bordered by the Cascade Mountains to the west, which provide a dramatic backdrop with peaks like the Three…

Altitude moyenne : 1.121 m

Eugene is characterized by a varied topography that contributes to its picturesque landscapes. The city sits at an average elevation of about 426 feet (130 meters) and is nestled within the Willamette Valley, surrounded by the foothills of the Cascade Mountains to the east, which rise significantly in…

Altitude moyenne : 163 m

Altitude moyenne : 213 m

Lincoln County, Oregon, presents a diverse and varied topography shaped by its coastal position and the influence of nearby mountain ranges. The region's terrain is dominated by the rugged Pacific coastline, which includes rocky headlands, sandy beaches, and dramatic cliffs that drop sharply into the ocean.…

Altitude moyenne : 175 m

Salem is situated in the heart of the Willamette Valley and features a varied topography shaped by its proximity to notable geological formations. The city itself is primarily located at an elevation of around 177 feet (54 meters), but it spans a range from approximately 120 to 800 feet (37 to 244 meters)…

Altitude moyenne : 96 m

Altitude moyenne : 372 m

Altitude moyenne : 95 m

Ashland lies within Oregon's southwest interior climate zone, in which all but the higher-elevation sites are in the rain shadow of the Oregon Coast Range to the west. The largest urban areas in this zone in addition to Ashland are Medford and Grants Pass in the Rogue Valley, and Roseburg in the Umpqua River…

Altitude moyenne : 774 m

Altitude moyenne : 907 m

Altitude moyenne : 70 m

Altitude moyenne : 1.324 m

Altitude moyenne : 696 m

Altitude moyenne : 794 m

Lane County showcases a strikingly diverse topography that spans a wide range of elevations and geological features. This area extends from sea level along the picturesque Pacific coastline to the towering peaks of the Cascade Mountains, where elevations exceed 10,000 feet. The western region is characterized…

Altitude moyenne : 712 m

Altitude moyenne : 441 m

Altitude moyenne : 22 m

Altitude moyenne : 27 m

Altitude moyenne : 296 m

Altitude moyenne : 292 m

Altitude moyenne : 128 m

Altitude moyenne : 548 m

Klamath Falls, located at an elevation of approximately 4,108 feet, is situated in a striking topographical region characterized by a mix of mountainous terrains and expansive lakes. The city is bordered by the Klamath Mountains to the west, which feature rugged, volcanic formations and steep slopes that…

Altitude moyenne : 1.312 m

Altitude moyenne : 928 m

Temperatures for the year as a whole are slightly cooler than in most other low-elevation towns in the region, especially at night because of air drainage off the surrounding mountains.

Altitude moyenne : 112 m

Altitude moyenne : 47 m

Altitude moyenne : 660 m

Altitude moyenne : 131 m

Roseburg's elevation is approximately 500 feet (150 m). Its highest point is Mount Nebo, a 1,200-foot (370 m) hill to the west of Interstate 5. Through the 1980s, it was known for its band of 10-20 feral angora goats. Residents said they could predict the weather by watching where the goats were on the…

Altitude moyenne : 239 m

Cannon Beach is recognized by the well-known landmark Haystack Rock, located southwest of downtown Cannon Beach. This sea stack has an elevation of 235 feet (72 m) and is often accessible at low tide, especially in the summertime. There is a small cave system that penetrates its igneous rock that can be seen…

Altitude moyenne : 42 m

Altitude moyenne : 218 m

Altitude moyenne : 191 m

Hood River County is 533 square miles (1,380 km2), of which 522 square miles (1,350 km2) is land and 11 square miles (28 km2) (2.1%) is water. It is the second-smallest county in Oregon by area. Elevation ranges from 60 feet (18 m) above sea level at Cascade Locks in the northwest to 11,235 feet (3,424 m) at…

Altitude moyenne : 860 m

According to the United States Census Bureau, the county has a total area of 1,333 square miles (3,450 km2), of which 1,103 square miles (2,860 km2) is land and 230 square miles (600 km2) (17%) is water. At 3,706 feet (1130 m) in elevation, Rogers Peak is the highest point in the county and the highest in the…

Altitude moyenne : 236 m

Altitude moyenne : 544 m

Altitude moyenne : 334 m

Altitude moyenne : 266 m

Altitude moyenne : 1.420 m

Altitude moyenne : 383 m

The elevation of the forest ranges from about 1,500 feet (460 m) above sea level on the western edge of the forest to almost 10,500 feet (3,200 m) at the top of Mount Jefferson, Oregon's second highest peak. Seven major peaks of the Cascades—Mount Jefferson, Mount Washington, Three Fingered Jack, Diamond…

Altitude moyenne : 1.001 m

Altitude moyenne : 1.463 m

Altitude moyenne : 762 m

Altitude moyenne : 973 m

Altitude moyenne : 1.252 m

Altitude moyenne : 1.361 m

Altitude moyenne : 624 m

The Grande Ronde River's watershed is located mostly in Union and Wallowa Counties in Oregon and Asotin County in Washington, with small parts extending into Umatilla County, Oregon and Columbia and Garfield counties in Washington. The Blue Mountains, mostly rising to about 7,700 feet (2,300 m), form the…

Altitude moyenne : 1.242 m

Harney County has a "high desert" topography, with low levels of precipitation. About 500 ranches and farms producing cattle, dairy products and hay operate within the county; in the county, cattle outnumber people 14-to-1. Besides ranching and farming, forestry evolves important industries in the county.

Altitude moyenne : 1.473 m

The city encompasses 15.5 square miles (40 km2) and is on a plateau, at an elevation of 3,077 feet (938 m). Redmond is 15 miles (24 km) north of Bend—the county seat of Deschutes County—144 miles (232 km) from Portland, 129 miles (208 km) from Salem—the capital of Oregon—and 126 miles (203 km) from Eugene.

Altitude moyenne : 923 m

Lake County ranges in elevation from 4,130 to 8,446 feet (1,259 to 2,574 m). The highest point in Lake County is Crane Mountain. The mountain is located 6 miles (9.7 km) north of the California border. Lake County has six other peaks with elevations above 8,000 feet (2,400 m), all located in the southern half…

Altitude moyenne : 1.540 m

The elevation of the county varies from 1,820 on the John Day River near Kimberly, to 9,038 feet (2,755 m) at the summit of Strawberry Mountain. The terrain of the county varies from grassland steppes and rangelands in relatively open or rolling hills and valleys, to steep, rugged, rocky high-alpine…

Altitude moyenne : 1.425 m

Altitude moyenne : 1.021 m

Altitude moyenne : 209 m

Altitude moyenne : 225 m

Altitude moyenne : 255 m

Altitude moyenne : 657 m

The Willamette River drains a region of 11,478 square miles (29,730 km2), which is 12 percent of the total area of Oregon. Bounded by the Coast Range to the west and the Cascade Range to the east, the river basin is about 180 miles (290 km) long and 100 miles (160 km) wide. Elevations within the watershed…

Altitude moyenne : 348 m

Altitude moyenne : 1.347 m

The Rogue River begins at Boundary Springs on the border between Klamath and Douglas counties near the northern edge of Crater Lake National Park. Although it changes direction many times, it flows generally west for 215 miles (346 km) from the Cascade Range through the Rogue River – Siskiyou National Forest…

Altitude moyenne : 756 m

Altitude moyenne : 732 m

Altitude moyenne : 1.342 m

Altitude moyenne : 1.339 m

Altitude moyenne : 1.155 m

Altitude moyenne : 15 m

According to the United States Census Bureau, the city has a total area of 15.90 square miles (41.18 km2), of which, 10.60 square miles (27.45 km2) is land and 5.30 square miles (13.73 km2) is water. The city is quite hilly, with elevations ranging from between sea level to over 500 feet (150 m). Bodies of…

Altitude moyenne : 30 m

Altitude moyenne : 22 m

Altitude moyenne : 973 m

Altitude moyenne : 887 m

Altitude moyenne : 441 m

The lake is 5 by 6 miles (8.0 by 9.7 km) across, with a caldera rim ranging in elevation from 7,000 to 8,000 feet (2,100 to 2,400 m) and an average lake depth of 1,148 feet (350 m). The lake's maximum depth has been measured at 1,949 feet (594 m), which fluctuates slightly as the weather changes. On the basis…

Altitude moyenne : 1.971 m

Altitude moyenne : 422 m

Cannon Beach is recognized by the well-known landmark Haystack Rock, located southwest of downtown Cannon Beach. This sea stack has an elevation of 235 feet (72 m) and is often accessible at low tide, especially in the summertime. There is a small cave system that penetrates its igneous rock that can be seen…

Altitude moyenne : 42 m

Altitude moyenne : 41 m

Altitude moyenne : 1.063 m

Altitude moyenne : 534 m

Altitude moyenne : 81 m

Altitude moyenne : 33 m

According to the United States Census Bureau, the city has a total area of 17.75 square miles (45.97 km2), of which 17.54 square miles (45.43 km2) is land and 0.21 square miles (0.54 km2) is water. Albany has 21.7 square miles (56 km2) within its urban growth boundary. Throughout the city limits and urban…

Altitude moyenne : 71 m

Altitude moyenne : 160 m

As in the summer, winter temperatures can vary tremendously from one day to the next. During arctic air events the daytime high temperatures will generally be well below 32 °F or 0 °C, while a strong subtropical push can raise temperatures into the 50s and low 60s F, even in January. It is quite common for…

Altitude moyenne : 105 m

Though much of Gresham is relatively flat, it is characterized by a hill on its eastern border. Northeast Gresham is also hilly, particularly where the city meets Troutdale toward the Columbia River. Its elevation is 325 feet (99 m). Johnson Creek, which begins at the foothills of the Cascade Mountains, runs…

Altitude moyenne : 90 m

Hillsboro is located at 45°31′N 122°59′W / 45.517°N 122.983°W / 45.517; -122.983 (Hillsboro, Oregon). The United States Census Bureau reports the city has a total area of 21.6 square miles (55.9 km2), all of which is land. In 2013, Hillsboro itself reported an area of 23.88 square miles…

Altitude moyenne : 53 m

As of January 2020, Beaverton covers a total area of 19.7 square miles (51 km2), all of it land except for small creeks, ponds, and lakes. The city is located along the eastern edge of the Tualatin Valley just west of the Tualatin Mountains. It is bordered by Portland to the east, Hillsboro to the west, and…

Altitude moyenne : 106 m

Altitude moyenne : 99 m

Altitude moyenne : 68 m

Altitude moyenne : 21 m

Altitude moyenne : 53 m

Altitude moyenne : 34 m

Altitude moyenne : 176 m

Altitude moyenne : 101 m

Altitude moyenne : 50 m

Altitude moyenne : 1.290 m

Lake of the Woods is located near the crest of the Cascade Mountains in western Klamath County, Oregon. Its elevation is 4,949 feet (1,508 m) above sea level. The lake is surrounded by the Fremont–Winema National Forest. Lake of the Woods is 33 miles (53 km) west of Klamath Falls and 43 miles (69 km) east of…

Altitude moyenne : 1.588 m

Altitude moyenne : 853 m

Altitude moyenne : 33 m

Altitude moyenne : 100 m

Altitude moyenne : 58 m

Altitude moyenne : 161 m

Altitude moyenne : 272 m

Altitude moyenne : 538 m