{{Short description|Mountain range in Alaska, United States}} {{Use mdy dates|date=February 2026}} {{Use American English|date=February 2026}} {{Infobox mountain | name=De Long Mountains | image=Big Country for a Lone Hiker (20257590484).jpg | image_caption=A lone hiker in the Delong Mountains near the Nakolik landing strip. | country = United States | state = Alaska | length_mi= | width_mi= | highest=Black Mountain | elevation_ft=5020 | coordinates= {{coord|68|33|35|N|160|19|41|W|type:mountain_scale:4000000|format=dms|display=inline}} | coordinates_ref= | geology= | orogeny= | map=USA Alaska | map_caption= | range_coordinates= {{coord|68|25|N|161|40|W|type:mountain_scale:4000000|format=dms|display=inline,title}} | range_coordinates_ref= }} The '''De Long Mountains''' are a mountain range in the North Slope Borough of the U.S. state of Alaska. The range is located at the west end of the Brooks Range and extends west from Uivaksak Creek and the head of the Kuna River. They were named in 1886 after the Arctic explorer George Washington De Long (1844–1881).<ref>{{cite gnis|id=1401014|name=De Long Mountains|accessdate=2010-09-12}}</ref>
The highest point is Black Mountain at {{convert|5020|ft|m|0}}.<ref name=pb>{{cite peakbagger|id=14|name=Black Mountain, Alaska|access-date=2010-09-12}}.</ref> [[File:NOAT mountains (34931963393).jpg|thumb|290px|De Long Mountains west of Copter Peak]] ==References== {{Reflist}}
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Category:Brooks Range Category:Mountains of North Slope Borough, Alaska
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