Grand Wash Cliffs, Arizona

Prominence: 2209 ft, 673 m

Elevation: 6769 feet, 2063 meters

True Isolation: 21.76 mi, 35.02 km
Elevation Info:NAVD88 Elevation: 6772 ft / 2064 m
Alternate Name(s)Duncan Benchmark
Highest SummitDuncan Benchmark
Latitude/Longitude (WGS84)35° 48' 33'' N, 113° 59' 5'' W
35.80919, -113.984859 (Dec Deg)
230296 E 3966898 N, Zone 12 (UTM)
CountryUnited States
County/Second Level RegionMohave

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Other Web Sites
     Duncan Benchmark (Grand Wash Cliffs) at
     Duncan Benchmark at

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Lists that contain Grand Wash Cliffs:
     USA Lower 48 Range5 High Points (Rank #396)
     Arizona Peaks with 2000 feet of Prominence (Rank #54)

Selected Trip Reports from this site:
     2011-02-06 by Eric Kassan (GPS Track)
     2012-03-23 by Dennis Poulin (GPS Track)
     2013-01-31 by Ken Jones (GPS Track)
     2013-04-06 by Scott Surgent
     2015-12-31 by Josef Nuernberger
     2017-12-10 by Matthias Stender
     2018-05-17 by Greg Gerlach (GPS Track)

View ascents of peak by registered members (19 total)

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Grand Wash Cliffs
     Elevation Ladder from Grand Wash Cliffs
     Prominence Ladder from Grand Wash Cliffs

Click on photo for original larger-size version.
View of the cliff face of Duncan Benchmark (2013-04-06). Photo by Scott Surgent.
Click here for larger-size photo.
Web Map LinksPeakfinder Panorama
GeoHack Links   CalTopo   MyTopo   Bing Maps
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 2209 ft/673 m
  Optimistic Prominence: 2229 ft/679 m
  Key Col: 4560 ft/1390 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 21.76 mi/35.02 km
   Isolation Limit Point: 35.5425, -114.1917
Nearest Higher Neighbor in the PBC database:
    Mount Tipton  (SSW)
RangesContinent: North America
Range2: Intermountain West
Range3: Southwest Basins and Ranges
Range4: Northwest Arizona Ranges
Range5: Music Mountains (Highest Point)
Drainage BasinsColorado
Gulf of California
Pacific Ocean
Topo MapQuartermaster Canyon SW O35113g8 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
Dynamic Map

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