Nevada leads the contiguous United States with over 300 officially named mountain ranges. The rugged Great Basin is a tapestry of parallel ridges and valleys, and its highest summit, Boundary Peak, rises to 13,140 ft (4,005 m).
Alaska is home to Denali (formerly Mount McKinley), the tallest mountain on the continent at 20,310 ft (6,190 m). The state’s vast wilderness contains countless peaks, making it the benchmark for peak elevation and mountain land area.
Colorado’s mean elevation is approximately 6,800 ft (2,073 m), the highest of any U.S. state. The Rocky Mountains span the state, and Mount Elbert tops the list at 14,440 ft (4,401 m). Colorado is a favorite for hikers, climbers, and skiers.
California hosts Mount Whitney, the tallest peak in the contiguous United States at 14,505 ft (4,421 m). The state’s diverse ranges—including the Sierra Nevada, Coast Ranges, and Cascade foothills—make it one of the most mountainous states.
Utah blends arid landscapes with towering peaks. From the Wasatch Range near Salt Lake City to the high plateaus of the southeast, the state’s highest point, Kings Peak, reaches 13,528 ft (4,123 m).
Wyoming’s rugged high plains are punctuated by the Rockies, and its tallest summit, Gannett Peak, rises to 13,809 ft (4,209 m). The state is a top destination for skiing, climbing, and backcountry adventures.
Montana’s nickname reflects its expansive sky and dramatic landscapes. The Rockies slice through the state, with Granite Peak standing tallest at 12,807 ft (3,904 m). Mountain ranges and rolling plains define Montana’s wild beauty.
New Mexico features portions of the Southern Rockies, offering dramatic elevation changes. Wheeler Peak, the state’s highest point, reaches 13,161 ft (4,011 m). The mix of high elevation, desert, and mountains creates unique scenery.
These eight states—Nevada, Alaska, Colorado, California, Utah, Wyoming, Montana, and New Mexico—represent the United States’ most mountainous regions, whether measured by range count, peak height, or average elevation. They showcase the country’s geological diversity and offer endless opportunities for outdoor exploration.
This article was produced with AI assistance and subsequently reviewed and fact‑checked by a HowStuffWorks editor.
