Mississippi River: Flows from Minnesota south to the Gulf of Mexico Missouri River: Longest river in the United States; joins the Mississippi near St. Louis Ohio River: Flows from Pittsburgh to the Mississippi at Cairo, Illinois Colorado River: Flows from the Rocky Mountains through the Grand Canyon toward Mexico Columbia River: Flows through Washington and Oregon to the Pacific Ocean Rio Grande: Flows from Colorado through New Mexico, then forms the Texas–Mexico border Hudson River: Flows through New York State to New York Harbor Delaware River: Flows between Pennsylvania and New Jersey Potomac River: Flows past Washington, D.C. to Chesapeake Bay Susquehanna River: Flows through Pennsylvania and Maryland to Chesapeake Bay Tennessee River: Flows through Tennessee, Alabama and Kentucky to the Ohio Arkansas River: Flows from Colorado through Kansas, Oklahoma and Arkansas Platte River: Flows across Nebraska Snake River: Flows through Idaho and Oregon to the Columbia Yukon River: Flows across Alaska to the Bering Sea Connecticut River: The longest river in New England Savannah River: Forms the border of Georgia and South Carolina Rocky Mountains: Run from Canada down to New Mexico Appalachian Mountains: Run along the eastern United States Sierra Nevada: Mountain range in California with Yosemite and Mount Whitney Cascade Range: Mountains with volcanoes in Washington, Oregon and northern California Coast Ranges: Mountains close to the Pacific coast Ozark Plateau: Highlands in Missouri and Arkansas Great Plains: Wide grasslands between the Mississippi River and the Rockies Great Basin: Dry region in Nevada and Utah where rivers do not reach the sea Mojave Desert: Desert in California and Nevada Sonoran Desert: Desert in Arizona with giant saguaro cacti Chihuahuan Desert: Desert in New Mexico and Texas Mississippi Delta: Wide swampy lowland where the Mississippi reaches the Gulf in Louisiana Everglades: A huge wetland in southern Florida Okefenokee Swamp: A large swamp in Georgia and Florida Great Salt Lake: A huge salty lake in Utah Death Valley: Lowest point in North America, in California Mount Whitney: Highest peak in the lower 48 states, in California Denali: Highest peak in the United States, in Alaska Mauna Kea: A big volcano on Hawaii's Big Island Chesapeake Bay: A big bay in Maryland and Virginia Cape Cod: A hooked peninsula in Massachusetts Outer Banks: A string of barrier islands off North Carolina Florida Keys: A chain of small islands off the southern tip of Florida Puget Sound: An inlet of the Pacific in Washington State San Andreas Fault: A fault line in California where earthquakes happen Yellowstone Caldera: A giant volcanic area in Wyoming with geysers Grand Canyon: A mile-deep canyon cut by the Colorado River in Arizona Mount St. Helens: A volcano in Washington State that erupted in 1980 Mount Rainier: A big snowy volcano in Washington State Black Hills: Low mountains in South Dakota and Wyoming Badlands: Eroded rock and prairie in South Dakota Aleutian Islands: A long chain of islands extending from Alaska Mount Washington: Highest peak in the northeastern United States, in New Hampshire Mammoth Cave: The longest known cave system, in Kentucky Lake Okeechobee: A big lake in southern Florida Lake Tahoe: A deep mountain lake on the California–Nevada border Crater Lake: The deepest lake in the United States, in Oregon The Continental Divide: A ridge in the Rockies that sends water to the Pacific or the Atlantic side Free flashcards from Peabody at peabody.kids/flashcards/geo-us-physical-geography