Colorado is a region located in the western United States, known for its diverse geography and climate, with a mix of mountains, forests, and plains that offer a wide range of outdoor activities and attractions.

Quick Facts

Land Area269,601 km², about the size of the United Kingdom
Highest PointMount Elbert, 4,399 meters
Lowest PointArikaree River, 1,010 meters
Coastlinelandlocked
BordersWyoming, Nebraska, Kansas, Oklahoma, New Mexico, Utah, Arizona, and the corner of the Four Corners
Climate Typetemperate

Location & Borders

Colorado is situated in the western United States, bordered by seven states: Wyoming to the north, Nebraska and Kansas to the northeast and east, Oklahoma to the southeast, New Mexico to the south, and Utah and Arizona to the west. The state is landlocked, with no direct access to the ocean, but it is home to many rivers, lakes, and reservoirs that provide water for irrigation, drinking, and recreation. The Four Corners region, where Colorado meets Utah, Arizona, and New Mexico, is a unique geographical feature that marks the only point in the United States where four states meet at a single location.

Colorado's location in the interior of the North American continent means that it is far from the moderating influence of the ocean, resulting in a continental climate with large diurnal temperature ranges and low humidity. The state's geography is also characterized by the Rocky Mountains, which run along its western edge and provide a dramatic backdrop for many of Colorado's cities and towns. The mountains also create a range of microclimates, from the arid high desert of the western slope to the more humid and temperate foothills of the eastern slope.

Terrain & Landscape

Colorado's terrain is incredibly diverse, with a range of landscapes that reflect its complex geological history. The Rocky Mountains dominate the western part of the state, with peaks reaching elevations of over 4,000 meters. The mountains are home to many alpine lakes, glaciers, and ski resorts, and offer a wide range of outdoor activities such as hiking, climbing, and skiing. The Sangre de Cristo Mountains and the San Juan Mountains are two of the most prominent mountain ranges in the state, with peaks that are popular with hikers and climbers.

In addition to its mountains, Colorado is also home to a range of rivers, including the Colorado River, the Arkansas River, and the Rio Grande, which flow through the state and provide water for irrigation, drinking, and recreation. The Great Plains cover the eastern part of the state, with rolling hills and grasslands that are home to many ranches and farms. The Colorado Plateau, which covers the western part of the state, is a high, dry region with a unique landscape of mesas, canyons, and buttes.

The state's diverse terrain and landscape support a wide range of ecosystems, from the alpine tundra of the highest mountains to the desert shrublands of the western slope. The montane forests, which cover much of the state, are home to many tree species, including aspen, spruce, and fir. The grasslands of the eastern part of the state are home to many wildflowers, including prairie clover and blue grama.

Climate By Season

SeasonMonthsTemperature RangeRainfallConditions
WinterDecember to February-10°C to 10°C30-60 cmCold, snowy, and icy
SpringMarch to May10°C to 20°C30-60 cmMild, with occasional snow and thunderstorms
SummerJune to August20°C to 30°C20-40 cmWarm, dry, and sunny
FallSeptember to November10°C to 20°C20-40 cmCool, with occasional snow and frost

Best Time To Visit

Best months: September to October and March to May. Why: These periods offer mild weather, with comfortable temperatures and fewer crowds. Avoid: July and August, when the weather can be hot and dry, and the crowds are at their peak.

Natural Highlights

  • Rocky Mountain National Park, a UNESCO World Heritage Site and one of the most visited national parks in the United States
  • Mesa Verde National Park, a UNESCO World Heritage Site and home to many Ancestral Puebloan cliff dwellings
  • Garden of the Gods, a unique public park in Colorado Springs with stunning rock formations and red rock landscapes
  • Maroon Bells, two of the most photographed mountains in the United States, known for their scenic beauty and wildlife
  • Great Sand Dunes National Park, home to the tallest sand dunes in North America
  • Black Canyon of the Gunnison National Park, a deep and narrow canyon carved by the Gunnison River