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Clamshell Peak, California
Prominence: 280 ft, 85 m
Elevation: 4360+ feet, 1329+ meters
True Isolation: 0.41 mi, 0.66 km
Elevation Info:
Elevation range: 4360 - 4400 ft
(40-foot closed contour)
NAVD88 Elevation
: 4363 ft / 1330 m
(Range 4363 - 4403 ft)
Latitude/Longitude (WGS84)
34° 12' 6'' N, 117° 59' 53'' W
34.201576, -117.998152 (Dec Deg)
408039 E 3784957 N, Zone 11 (UTM)
Country
United States
State/Province
California
County/Second Level Region
Los Angeles
Links
Search Engines - search the web for "Clamshell Peak":
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Other Web Sites
Clamshell Peak at ListsOfJohn.com
Weather and Snow
National Weather Service Forecast
NOAA Snow Depth Map
Lists that contain Clamshell Peak:
Comprehensive Combo Angeles Chapter List
(Rank #621)
Sierra Club Lower Peaks Committee
(Rank #21)
Ascent Info
Total ascents/attempts logged by registered Peakbagger.com users:
130
Show all viewable ascents/attempts
(Total: 120)
Selected Trip Reports:
2007-01-15 by Bob Burd
2008-12-28 by Srikant Jayaraman
2011-10-24 by Sean Green
2013-01-13 by Marit Chrislock
2013-03-13 by Patrick ONeill (GPS Track)
2013-12-21 by Gil Barron
2014-04-24 by Winnette Butler
2014-05-16 by Pat Wells (Unsuccessful)
2014-06-27 by Keith Winston (GPS Track)
2015-03-20 by Greg Gerlach (GPS Track)
2016-05-01 by Trevor Kent
2017-08-18 by David Comerzan
2018-02-08 by Pat Wells
2019-01-06 by Garrett McLean (GPS Track)
2019-02-12 by Mike Maki (GPS Track)
2020-02-17 by Gordon Jenkins (GPS Track)
Nearby Peak Searches:
Radius Search - Nearest Peaks to Clamshell Peak
Elevation Ladder from Clamshell Peak
Prominence Ladder from Clamshell Peak
View south from Clamshell of the San Gabriel Valley (2019-02-12). Photo by
Mike Maki
.
Click here for larger-size photo.
Web Map Links
Peakfinder Panorama
GeoHack Links
CalTopo
MyTopo
Bing Maps
Google Maps
Open Street Map
Prominence
Key Col Page
(Detailed prominence information)
Clean Prominence
: 280 ft/85 m
Optimistic Prominence
: 360 ft/109 m
Key Col
: 4080 ft/1244 m
Isolation
Isolation Page
(Detailed isolation information)
Distance: 0.41 mi/0.66 km
Isolation Limit Point
: 34.2042, -117.9917
Nearest Higher Neighbor
in the
PBC database
:
Rankin Peak
(ENE)
Ranges
Continent:
North America
Range2:
Pacific Ranges
Range3:
Central and Southern California Ranges
Range4:
Transverse Ranges
Range5:
San Gabriel Mountains
Drainage Basins
Los Angeles
Pacific-Western USA
Pacific Ocean
Ownership
Land: Angeles National Forest
Topo Map
Azusa O34117b8 1:24,000
Data Source
1:25,000 (or larger) Topographic Survey Map
Dynamic Map
Clamshell Peak
Other Peaks
Click Here for a Full Screen Map
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