Capulin Volcano National Monument

Established: August 9, 1916
Location: New Mexico
Area: 793 acres
Visitation (2017): 59,615

NPS Official Website

Carrizo Plain National Monument

Established: January 17, 2001
Location: California
Area: 246,812 acres
Visitation (2017): ~50,000

BLM Official Website

Carrizo Plain National Monument

Established: January 17, 2001
Location: California
Area: 246,812 acres
Visitation (2017): ~50,000

BLM Official Website

Casa Grande Ruins National Monument

Established: August 3, 1918
Location: Arizona
Area: 473 acres
Visitation (2017): 75,583

NPS Official Website

Casa Grande Ruins National Monument

Established: August 3, 1918
Location: Arizona
Area: 473 acres
Visitation (2017): 75,583

NPS Official Website

Cascade-Siskiyou National Monument

Established: June 9, 2000
Location: Oregon
Area: 86,774 acres
Visitation (2017): ~20,000+

BLM Official Website

Cascade-Siskiyou National Monument

Established: June 9, 2000
Location: Oregon
Area: 86,774 acres
Visitation (2017): ~20,000+

BLM Official Website

Cascade-Siskiyou National Monument (Hyatt Lake Recreation Area)

Established: June 9, 2000
Location: Oregon
Area: 86,774 acres
Visitation (2017): ~20,000+

BLM Official Website

Cascade-Siskiyou National Monument (Soda Mountain Wilderness)

Established: June 9, 2000
Location: Oregon
Area: 86,774 acres
Visitation (2017): ~20,000+

BLM Official Website

Castillo de San Marcos National Monument

Established: October 15, 1924
Location: Florida
Area: 320 acres
Visitation (2017): 876,965

NPS Official Website

Castillo de San Marcos National Monument

Established: October 15, 1924
Location: Florida
Area: 320 acres
Visitation (2017): 876,965

NPS Official Website

Castle Clinton National Monument

Established: August 12, 1946
Location: New York
Area: 1 acres
Visitation (2017): 4,737,113

NPS Official Website

Castle Mountains National Monument

Established: February 12, 2016
Location: California
Area: 20,920 acres
Visitation (2017): n/a

NPS Official Website

Cedar Breaks National Monument

Established: August 22, 1933
Location: Utah
Area: 6,155 acres
Visitation (2017): 909,199

NPS Official Website

Cedar Breaks National Monument

Established: August 22, 1933
Location: Utah
Area: 6,155 acres
Visitation (2017): 909,199

NPS Official Website

Cedar Breaks National Monument (Winter Map)

Established: August 22, 1933
Location: Utah
Area: 6,155 acres
Visitation (2017): 909,199

NPS Official Website

Chiricahua National Monument

Established: April 18, 1924
Location: Arizona
Area: 11,984 acres
Visitation (2017): 63,132

NPS Official Website

Chiricahua National Monument

Established: April 18, 1924
Location: Arizona
Area: 11,984 acres
Visitation (2017): 63,132

NPS Official Website

Chiricahua National Monument (Bonita Canyon Campground)

Established: April 18, 1924
Location: Arizona
Area: 11,984 acres
Visitation (2017): 63,132

NPS Official Website

Colorado National Monument

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Colorado National Monument

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Colorado National Monument (Accessible Facilities Map)

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Colorado National Monument (Canyon Rim & Window Rock Trails)

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Colorado National Monument (Equestrian Trail Map)

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Colorado National Monument (Saddlehorn Campground)

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Colorado National Monument (Trail Map)

Established: May 24, 1911
Location: Colorado
Area: 20,533 acres
Visitation (2017): 375,035

NPS Official Website

Craters of the Moon National Monument & Preserve

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Broken Top Loop Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Caves Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Devil's Orchard Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Inferno Cone Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (North Crater Flow Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (North Crater Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Spatter Cones Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Tree Molds Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Wilderness Trail)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Craters of the Moon National Monument & Preserve (Winter Trails)

Established: May 2, 1924
Location: Idaho
Area: 464,303 acres
Visitation (2017): 285,227

NPS Official Website

Devils Postpile National Monument

Established: July 6, 1911
Location: California
Area: 798 acres
Visitation (2017): 109,571

NPS Official Website

Devils Tower National Monument

Established: September 24, 1906
Location: Wyoming
Area: 1,347 acres
Visitation (2017): 499,031

NPS Official Website

Devils Tower National Monument

Established: September 24, 1906
Location: Wyoming
Area: 1,347 acres
Visitation (2017): 499,031

NPS Official Website

Devils Tower National Monument (Belle Fourche Campground)

Established: September 24, 1906
Location: Wyoming
Area: 1,347 acres
Visitation (2017): 499,031

NPS Official Website

Devils Tower National Monument (Climbing Approach Trails)

Established: September 24, 1906
Location: Wyoming
Area: 1,347 acres
Visitation (2017): 499,031

NPS Official Website

Devils Tower National Monument (Durance Route)

Established: September 24, 1906
Location: Wyoming
Area: 1,347 acres
Visitation (2017): 499,031

NPS Official Website

Devils Tower National Monument (East Face Climbing Routes)

Established: September 24, 1906
Location: Wyoming
Area: 1,347 acres
Visitation (2017): 499,031

NPS Official Website

Dinosaur National Monument

Established: October 4, 1915
Location: Colorado, Utah
Area: 210,844 acres
Visitation (2017): 315,859

NPS Official Website

Dinosaur National Monument

Established: October 4, 1915
Location: Colorado, Utah
Area: 210,844 acres
Visitation (2017): 315,859

NPS Official Website

Dinosaur National Monument (Campgrounds Map)

Established: October 4, 1915
Location: Colorado, Utah
Area: 210,844 acres
Visitation (2017): 315,859

NPS Official Website