Steamboat Rock (Colorado)

Steamboat Rock
Steamboat Rock
	Steamboat Rock, south aspect
Highest point
Elevation	6,074 ft (1,851 m)
Prominence	294 ft (90 m)
Parent peak	Jenny Lind Rock
Isolation	0.9 mi (1.4 km)
Coordinates	[ ⚑ ] : 40°32′06″N 108°59′12″W / 40.5349638°N 108.9867849°W
Geography
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Location	Dinosaur National Monument; Moffat County, Colorado, United States
Parent range	Uinta Mountains
Topo map	USGS Canyon of Lodore South
Geology
Age of rock	Permian-Pennsylvanian
Type of rock	Weber Sandstone
Climbing
Easiest route	class 5+ climbing

Steamboat Rock is a 6,074-foot (1,851-meter) elevation cape located in the Uinta Mountains, in Moffat County of northwest Colorado, United States.^[2] This iconic landmark of Dinosaur National Monument is situated at the confluence of the Green River and Yampa River. Precipitation runoff from this feature drains into the Green River. This geographical formation was originally named "Echo Rock" in John Wesley Powell's 1875 report, The Exploration of the Colorado River and Its Canyons. The Steamboat name first appeared on a 1941 United States Geological Survey map of Dinosaur National Monument.^[2] The area around it still retains the Echo Park name applied by Powell during the Powell Geographic Expedition of 1869.

Geology

Steamboat Rock is a mile-long, 1,000-ft high, slender peninsular ridge within a meander of the Green River. It is composed almost entirely of Permian-Pennsylvanian Weber Sandstone, with a thin layer of Park City Formation caprock.^[3] It is located where the river exits Lodore Canyon and enters Echo Park. The river drops 15 feet as it courses around Steamboat Rock.

Gallery

From the SSW
From the SSW
The south end of Steamboat Rock
Confluence of the Green and Yampa Rivers below the east wall of Steamboat Rock
From the southwest
From the west
Earliest known image of Steamboat Rock (1871)

Climate

Spring and fall are the most favorable seasons to visit Steamboat Rock. According to the Köppen climate classification system, it is located in a semi-arid climate zone, with temperatures averaging between 0°F to 30°F in January, and 50°F to 100°F in July.^[4] Typical of high deserts, summer temperatures can be exceedingly hot, while winter temperatures can be very cold. Snowfall is common, but the snow melts rapidly in the arid and sunny climate. Rainfall is very low, and the evaporation rate classifies the area as desert, even though the rainfall exceeds 10 inches.

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References

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 "Steamboat Rock - 6,074' CO". https://listsofjohn.com/peak/6464. Retrieved 2020-10-02.
↑ ^2.0 ^2.1 ^2.2 U.S. Geological Survey Geographic Names Information System: Steamboat Rock
↑ H. E. Thomas, Hydrologic Reconnaissance of the Green River in Utah and Colorado, US Department of the Interior, 1962, page 10.
↑ Weather Dinosaur National Monument. National Park Service.gov
↑ "Seasonal Temperature and Precipitation Information". Western Regional Climate Center. http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?codino. Retrieved May 3, 2013.

External links

Steamboat Rock: Weather forecast

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[listsofjohn-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 "Steamboat Rock - 6,074' CO". https://listsofjohn.com/peak/6464. Retrieved 2020-10-02.

[gnis-2] 2.0 ^2.1 ^2.2 U.S. Geological Survey Geographic Names Information System: Steamboat Rock

[3] H. E. Thomas, Hydrologic Reconnaissance of the Green River in Utah and Colorado, US Department of the Interior, 1962, page 10.

[4] Weather Dinosaur National Monument. National Park Service.gov

[WRCC-5] "Seasonal Temperature and Precipitation Information". Western Regional Climate Center. http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?codino. Retrieved May 3, 2013.

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