Historical Earthquake Records and Seismic Data for the Mount Massive Wilderness in Colorado

San Isabel National Forest: Geographic Overview and Protected Mountain Landscape Atlas

Central Colorado alpine terrain and designated wilderness areas

Spanning eleven counties in central Colorado, San Isabel National Forest serves as a cornerstone of the Southern Rocky Mountains. The forest landscape is dominated by the Sawatch and Sangre de Cristo ranges, offering a unique atlas of alpine tundra, dense coniferous forests, and high-altitude peaks that define the character of the region. This protected area provides a vital habitat and a vast, rugged environment characterized by volcanic formations like the Spanish Peaks and glacial geological features.

Area

4,533.42 km²

Established

1902

Relief

Mountain

Climate

Alpine

Holy Cross Wilderness: Mapped Alpine Landscapes and Colorado Protected Areas

Glacial valleys and high-country geography in the Sawatch Range

Discover the geographic layout of the Holy Cross Wilderness, a vital protected area in central Colorado. This resource details the rugged Sawatch Range environment, from high alpine lake basins to the iconic northern couloirs of its namesake mountain, offering a clear view of the park boundaries and surrounding high-country terrain.

Area

496.94 km²

Established

1980

IUCN

Ib

Relief

Mountain

Hunter-Fryingpan Wilderness: Mapped Protected Geography in the Central Rocky Mountains

High-altitude wilderness area in Pitkin County, Colorado

Hunter-Fryingpan Wilderness encompasses approximately 82,000 acres of rugged terrain near the continental divide. This protected area acts as a headwaters sanctuary for the Fryingpan River and Hunter Creek, defined by its steep granite ridges, subalpine meadows, and clusters of pristine alpine lakes. Understanding its geography reveals the stark, glaciated character of the central Colorado Rockies.

Area

331.95 km²

Established

1978

IUCN

Ib

Relief

Mountain

Pike National Forest: Protected Mountain Landscapes and Regional Geography in Central Colorado

Granite peaks, montane forests, and diverse alpine terrain

Spanning from the rolling foothills of the Front Range to the high alpine summits of the Rocky Mountains, Pike National Forest is a significant protected area defined by its unique Pikes Peak granite bedrock and deep river-carved canyons. This analysis provides a structured look at its expansive wilderness boundaries, drainage basins, and the vertical transitions that characterize this vital central Colorado highland.

Area

4,478.27 km²

Established

1892

Relief

Mountain

Climate

Alpine

Eagles Nest Wilderness: Alpine Geography and Protected Landscape of the Colorado Gore Range

High-mountain protected area in the White River National Forest

Spanning the southern Gore Range, Eagles Nest Wilderness represents a core protected landscape in Colorado characterized by high-elevation peaks, glacial cirque lakes, and extensive backcountry trail networks. Its geography bridges the gap between deep coniferous forests and exposed alpine tundra, maintaining significant ecological and historical value within the mountainous terrain of Eagle and Summit Counties.

Area

546.79 km²

Established

1976

IUCN

Ib

Relief

Mountain

Raggeds Wilderness: Geographic Profile and Protected Area Mapping for the Elk Mountains

High altitude wilderness terrain in west-central Colorado

Raggeds Wilderness encompasses over 65,000 acres of protected high-country terrain in the Elk Mountains. This atlas record provides a detailed look at the park, covering its dramatic vertical transitions from deep forest drainages to jagged peaks and its function as a major node in the regional wilderness network.

Area

264.64 km²

Established

1980

IUCN

Ib

Relief

Mountain

Fossil Ridge Wilderness: Mapped Geography and Protected Landscapes in Gunnison County

High-altitude ridges, Paleozoic geology, and alpine wilderness character.

Fossil Ridge Wilderness sits as a compact but geographically rich protected area within the Gunnison National Forest. This site offers an detailed look at high-elevation Rocky Mountain terrain, characterized by exposed carbonate rock, deep drainage corridors, and dramatic vertical relief that serves as essential habitat for bighorn sheep and mountain goats.

Area

56.62 km²

Established

1993

IUCN

Ib

Relief

Mountain

Mount Evans Wilderness: Alpine Landscapes and Protected Geography in Colorado

Glacial cirques and high-altitude wilderness ecosystems.

Mount Evans Wilderness offers a premier look at the Colorado Front Range, defined by its dramatic relief, sheer cliff lines, and extensive glacial history. This entry examines the wilderness as a protected zone that transitions from montane forests to tundra, providing a reference for high-elevation mountainous geography within the United States.

Area

301.09 km²

Established

1980

IUCN

Ib

Relief

Mountain