Mount Isto

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Mount Isto
Highest point
Elevation8,976 ft (2,736 m) [1][2]
Prominence7,876 ft (2,401 m) [1]
Coordinates69°12′09″N 143°48′08″W / 69.20250°N 143.80222°W / 69.20250; -143.80222Coordinates: 69°12′09″N 143°48′08″W / 69.20250°N 143.80222°W / 69.20250; -143.80222[3]
LocationNorth Slope Borough, Alaska, U.S.
Parent rangeBrooks Range
Topo mapUSGS Demarcation Point B-5

Mount Isto is the highest peak in the Brooks Range, Alaska, USA.[4] Located in the eastern Brooks Range, in what are known as the Romanzof Mountains, Mount Isto is 5 miles (8.0 km) south of Mount Hubley, the second tallest peak in the Brooks Range. Mount Isto is within the Arctic National Wildlife Refuge and was named in 1966 for Reynold E. (Pete) Isto, a civil engineer for the U.S. Geological Survey.[3][5] In 2014, new measurement technology established that Mount Isto is the highest peak in the Brooks Range. Previously, Mount Chamberlin was believed to be the tallest, but it is now ranked third.[6][7][2]

See also[edit]


  1. ^ a b "Mount Isto, Alaska". Retrieved December 20, 2015.
  2. ^ a b Nolan, M.; DesLauriers, K. (23 June 2016). "Which are the highest peaks in the US Arctic? Fodar settles the debate". The Cryosphere. 10 (3): 1245–1257. doi:10.5194/tc-10-1245-2016. Retrieved 23 June 2016.
  3. ^ a b "Mount Isto". Geographic Names Information System. United States Geological Survey. Retrieved December 20, 2015.
  4. ^ "Brooks Range". Retrieved December 20, 2015.
  5. ^ Mount Isto, Alaska (Map). TopoQwest (United States Geological Survey Maps). Retrieved December 20, 2015.
  6. ^ Howard, Brian Clark (December 16, 2015). "There's a New Tallest Peak in the North American Arctic". National Geographic. Retrieved December 20, 2015.
  7. ^ Rozell, Ned (December 16, 2015). "Measuring the highest peaks in the Brooks Range". University of Alaska, Fairbanks Geophysical Institute. Retrieved December 20, 2015.

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