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Gregory Butte
Gregory Butte, Lake Powell.jpg
Aerial view of north aspect
Highest point
Elevation 4,651 ft (1,418 m)
Prominence 1,011 ft (308 m)
Isolation 1.55 mi (2.49 km)
Parent peak Point 5246
Geography
Gregory Butte is located in Utah
Gregory Butte
Gregory Butte
Location in Utah
Gregory Butte is located in the United States
Gregory Butte
Gregory Butte
Location in the United States
Location Glen Canyon National Recreation Area
San Juan County, Utah, U.S.
Parent range Colorado Plateau
Topo map USGS Gregory Butte
Geology
Age of rock Jurassic
Type of rock Entrada Sandstone
Climbing
Easiest route class 5.x climbing

Gregory Butte is a tall, flat-topped hill called a butte. It stands 4,651 feet (about 1,418 meters) high. You can find it in the Glen Canyon National Recreation Area in southern Utah.

This amazing sandstone landmark is a big part of the Lake Powell area. It rises almost 1,000 feet above the lake! Before Lake Powell was created in the 1970s, Gregory Butte was located right next to a bend in the Colorado River.

Geology and History of Gregory Butte

Gregory Butte is made of a type of rock called Entrada Sandstone. This sandstone formed about 160 million years ago during the Jurassic period. Back then, the area was a huge sandy desert, like a giant sand sea! The sand was originally laid down as muddy sand on a flat area near the ocean.

The name "Gregory Butte" became official in 1977. It was named by the United States Board on Geographic Names. The butte honors geologist Herbert E. Gregory (1869–1952). He studied and mapped many of the rocks in the Colorado Plateau, especially in the areas that are now Navajo Nation land in Arizona and Utah.

Climate Around Gregory Butte

The area around Gregory Butte has a desert climate. This means it has very hot and dry summers. The winters are chilly, but there isn't much snow. This type of climate is known as an arid climate.

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