Ontario Peak, California

Prominence: 1039 ft, 317 m

Elevation: 8693 feet, 2650 meters

True Isolation: 2.07 mi, 3.34 km
Elevation Info:NAVD88 Elevation: 8696 ft / 2651 m
Latitude/Longitude (WGS84)34° 13' 40'' N, 117° 37' 27'' W
34.227765, -117.624121 (Dec Deg)
442518 E 3787587 N, Zone 11 (UTM)
CountryUnited States
County/Second Level RegionSan Bernardino

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Lists that contain Ontario Peak:
     Sierra Club Hundred Peaks Section (Rank #40)

Selected Trip Reports from this site:
     1942-07-19 by Frederick Johnson
     2009-06-06 by Mat Kelliher
     2010-06-08 by Marco Rohrer
     2010-06-19 by Amin Faraday
     2011-10-16 by Brian Richardsson
     2012-05-26 by Asher Waxman
     2012-05-28 by Matthew McPherson (GPS Track)
     2012-07-07 by Patrick ONeill (GPS Track)
     2012-09-02 by Marit Chrislock-Lauterbach
     2012-10-18 by Vic Hanson
     2012-11-24 by Brian Richardsson
     2013-04-06 by Miles Kendall
     2013-06-23 by Michael McCarty (GPS Track)
     2013-07-12 by Keith Winston (GPS Track)
     2013-07-20 by David Comerzan
     2013-08-04 by Michael Sullivan (GPS Track)
     2014-05-29 by Max Rees (GPS Track)
     2015-08-22 by Cris Hazzard
     2015-10-06 by James Barlow (GPS Track)
     2015-10-12 by Jim Wick (GPS Track)
     2015-10-31 by Patrick ONeill (GPS Track)
     2015-11-21 by Roy Randall (GPS Track)
     2016-08-08 by Aaron Matthews
     2017-09-09 by Ellen Crocker
     2017-11-01 by William Chen (GPS Track)
     2017-11-05 by Derek Tse (GPS Track)

View ascents of peak by registered members (322 total)

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

Click on photo for original larger-size version.
Looking south onto the IE. Infamous bottle opener on right (2014-05-29). Photo by Max Rees.
Click here for larger-size photo.
Web Map LinksGeoHack Links   CalTopo   MyTopo   Gmap4
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 1039 ft/317 m
  Optimistic Prominence: 1039 ft/317 m
  Key Col: 7654 ft/2333 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 2.07 mi/3.34 km
   Isolation Limit Point: 34.2233, -117.5883
Nearest Higher Neighbor in the PBC database:
    Cucamonga Peak  (E)
RangesContinent: North America
Range2: Pacific Ranges
Range3: Central and Southern California Ranges
Range4: Transverse Ranges
Range5: San Gabriel Mountains
Drainage BasinsSanta Ana
Pacific Ocean
OwnershipLand: Angeles National Forest/San Bernardino National Forest
Wilderness/Special Area: Cucamonga Wilderness Area
Topo MapCucamonga Peak O34117b5 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
Google Maps Dynamic Map

 Ontario Peak    Other Peaks
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Other Photos

Click on photo for original larger-size version.
The mighty Ontario-Cucamonga-Bighorn Ridge rises from the depths of the San Antonio Canyon. Photo by Nathan Leroy.
Click here for larger-size photo.

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