Willowbrook Amphitheatre, also known as Chief Colorow's Cave, is a

cave Caves or caverns are natural voids under the Earth's Planetary surface, surface. Caves often form by the weathering of rock and often extend deep underground. Exogene caves are smaller openings that extend a relatively short distance undergrou ...

-like structure composed of

Paleozoic The Paleozoic ( , , ; or Palaeozoic) Era is the first of three Era (geology), geological eras of the Phanerozoic Eon. Beginning 538.8 million years ago (Ma), it succeeds the Neoproterozoic (the last era of the Proterozoic Eon) and ends 251.9 Ma a ...

Age

Fountain Formation The Fountain Formation is a Pennsylvanian bedrock unit consisting primarily of conglomerate, sandstone, or arkose, in the states of Colorado and Wyoming in the United States, along the east side of the Front Range of the Rocky Mountains, and a ...

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

. The top is open to the sky. Willowbrook Amphitheatre is located in the Willowbrook subdivision in Jefferson County, near

Morrison, Colorado Morrison is a home rule municipality in Jefferson County, Colorado, United States. The population was 396 at the 2020 census. History This small foothills settlement is named after George Morrison (April 16, 1822 – June 11, 1895), a builde ...

, south of

Red Rocks Park Red Rocks Park is a mountain park in Jefferson County, Colorado, owned and maintained by the city of Denver as part of the Denver Mountain Parks system. The park is known for its very large red sandstone outcrops. Many of these rock formation ...

and

Red Rocks Amphitheatre Red Rocks Amphitheatre (also known colloquially as simply Red Rocks) is an open-air amphitheater in the Western United States, western United States near Morrison, Colorado, approximately southwest of Denver. It is owned and operated by the c ...

. It is located on private land, and is restricted to the use of the association residents for

wedding A wedding is a ceremony in which two people are united in marriage. Wedding traditions and customs vary greatly between cultures, ethnicity, ethnicities, Race (human categorization), races, religions, Religious denomination, denominations, Cou ...

s and local events. Colorow's Cave was named for Chief Colorow who is said to have used the cave along with his band for temporary shelter during his summer visits.

References

Landmarks in Colorado Rock formations of Colorado Fountain Formation Geography of Jefferson County, Colorado Landforms of Jefferson County, Colorado Amphitheaters in the United States {{Colorado-geo-stub