Rim Rock Drive is OPEN - Visitor Center is OPEN 9 a.m. to 5 p.m.
Rim Rock Drive is OPEN Be on the lookout for Desert Bighorn Sheep along Rim Rock Drive. There also may be minor traffic delays near the East Entrance over the coming weeks. Watch for construction flaggers on the roadway.
(NPS Photo by L. Gelatt)
The semiarid environment of the
Amphibians are very sensitive to their terrestrial and aquatic environments, changes in either can effect their survival and propagation. Like the “canary in a coal mine”, amphibians are considered indicator species that serve as monitors of the environment. Over the last several years scientists have documented an alarming decline in amphibian populations, some to the point of extinction. While a specific reason for this trend is unknown, there are several possibilities being studied. Pollution, acid rain, global warming, loss of habitat, and non-native predators / competitors are just a few of the changes that may be causing the declining populations.
Amphibian populations within
Did You Know?
Colorado National Monument's Independence Monument is 450 feet tall from its base to its top. The top of Independence Monument is 5,739 feet in elevation.