History & Culture

Timeline will be displayed here

100 Years of Colorado National Monument
otto arrives in canyon 1907
John Otto Arrives in the Grand Valley
Shortly after his arrival, John Otto begins his campaign to have Monument Canyon set aside as a National Park.
Monument established 1911
President Taft Establishes Colorado National Monument
Under the authority of the Antiquities Act, President Taft establishes Colorado National Monument through a Presidential Proclamation.
Serpents Trail 1921
Grand Valley Residents Complete Serpents Trail
Constructed between 1912 and 1921, the Serpents Trail was the first motorized route into the Monument.
CCC workers on Rim Rock Drive 1931
Construction of Rim Rock Drive Begins
In 1931 construction begins on Rim Rock Drive. Civilian Conservation Corps workers arrive in 1933 to continue the project along with the WPA and Local Experienced Men.
MISSION 66 1956
MISSION 66 Park Improvements
Monument recieves first benefits of the MISSION 66 program. The funding paid for new employee residences and the Visitor Center.
flood photo 1968
Flash Flood and Road Washout
A large flash flood washes out the section of road between the tunnels on the west hill of Rim Rock Drive.
bison 1983
Bison Removal Begins
After years of overgrazing, the Monument begins the removal of its bison herd.
100 years 2011
100 Years of Preservation
2011 marked a century of preservation as the Monument turned 100 years old.

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