Johnstone Peak, California

Prominence: 618 ft, 189 m

Elevation: 3178 feet, 969 meters

True Isolation: 2.11 mi, 3.4 km
Elevation Info:NAVD88 Elevation: 3181 ft / 970 m
Latitude/Longitude (WGS84)34° 9' 37'' N, 117° 47' 59'' W
34.160167, -117.799782 (Dec Deg)
426280 E 3780204 N, Zone 11 (UTM)
CountryUnited States
County/Second Level RegionLos Angeles
City/TownSan Dimas

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Other Web Sites
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Weather and Snow
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Lists that contain Johnstone Peak:
     California Fire Lookouts (Rank #415)

Ascent Info

Total successful ascents logged by registered users: 36
     Show all viewable ascents/attempts (Total: 33)

Selected Trip Reports from this site:
     2015-12-02 by Bruce Craig
     2016-05-15 by Winnette Butler
     2016-09-05 by Pat Wells
     2016-12-03 by Mihai Giurgiulescu (GPS Track)
     2017-05-13 by Winnette Butler
     2017-06-07 by Craig Barlow
     2019-08-10 by Miriam Khamis
     2019-08-16 by George Christiansen (GPS Track)
     2020-05-03 by Aaron Kissel
     2020-06-06 by Robert Luher (GPS Track)

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Johnstone Peak
     Elevation Ladder from Johnstone Peak
     Prominence Ladder from Johnstone Peak

Click on photo for original larger-size version.
Summit ridge covered with communication towers (2020-06-06). Photo by Robert Luher.
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: 618 ft/189 m
  Optimistic Prominence: 658 ft/201 m
  Key Col: 2560 ft/780 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 2.11 mi/3.4 km
   Isolation Limit Point: 34.1858, -117.82
Nearest Higher Neighbor in the PBC database:
    Glendora Mountain  (NNW)
RangesContinent: North America
Range2: Pacific Ranges
Range3: Central and Southern California Ranges
Range4: Transverse Ranges
Range5: San Gabriel Mountains
Drainage BasinsSan Gabriel
Pacific-Western USA
Pacific Ocean
OwnershipLand: Angeles National Forest
Wilderness/Special Area: San Dimas OCD
Topo MapGlendora O34117b7 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
Dynamic Map

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