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Mount Baldy elevation

Mount Baldy is a summit in California; the highest USGS grid value near its top is 10,060 ft (3,066 m).

USGS 3DEP sampled summit (no published survey figure found)

10,060ft

3,066 m above sea level

No published survey figure was found for this summit, so the headline is the highest USGS 3DEP value near the GNIS summit point. The true summit can be higher.

Source: USGS 3D Elevation Program, via the Elevation Point Query Service

Rise above Rancho Cucamonga, CA
8,851 ft
12 mi from the summit; nearest incorporated place
Source: USGS 3DEP at the town center

Data updated · By Ankit Kumar, compiled from public U.S. government and open datasets · How these numbers are made

Check your exact spot in the Mount Baldy area

Elevation changes from street to street. Use your location, search an address or click the map to get the USGS value for one point. Green pins mark the points named on this page.

    Decimal (39.7392, -104.9903) or DMS (39°44'21"N 104°59'25"W).

    Or click the map

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    Map: USGS The National Map topographic basemap (US coverage).

    Your spot

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    Choose a location to see its elevation.

    Life at 10,060 ft

    Standard-atmosphere estimates for the summit of Mount Baldy (10,060 ft, from the USGS grid value). Weather moves the real values a little from day to day.

    Water boils at
    193.7 °F
    89.8 °C
    Boiling point calculator
    Air pressure
    20.53 inHg
    695 hPa · 10.08 psi
    Pressure calculator
    Oxygen per breath
    69 % of sea level
    Air is still 20.9% oxygen; there is just less air.
    Home canning
    Above 1,000 ft, USDA processing times and pressure-canner pounds go up.
    Canning adjustments

    Sources: pressure from the U.S. Standard Atmosphere, 1976 (NOAA, NASA, USAF); boiling point from the Antoine equation for water (Lange's Handbook of Chemistry); canning thresholds from the USDA Complete Guide to Home Canning. Not medical or food-safety advice; follow the tested USDA recipe for your altitude.

    Health note: the CDC says unacclimatized travelers risk altitude illness when sleeping at about 8,000 ft or higher, and sometimes lower. This page is general information, not medical advice; read the CDC guidance on high-altitude travel and talk to a clinician before a high climb.

    Mount Baldy and other California peaks on this site

    Each peak's headline figure: its published summit elevation where one exists, otherwise the highest USGS 3DEP value near the summit.

    Landmark elevations

    WhatValueSource
    Highest USGS 3DEP value near the summit10,060 ft (3,066 m)USGS 3DEP, 81 points within 250 m
    USGS 3DEP at the GNIS summit point10,060 ft (3,066 m)USGS 3DEP + GNIS coordinates
    Nearest town: Rancho Cucamonga, CA1,209 ft (368 m) · 12 mi awayCensus Gazetteer + USGS 3DEP
    Nearest public airport: Cable (KCCB)1,444 ft (440 m) · 13 mi awayFAA field elevation
    Mount Harwood (nearby summit)9,537 ft (2,907 m) · 0.8 mi awayGNIS position, USGS 3DEP at that point
    Dawson Peak (nearby summit)9,576 ft (2,919 m) · 1.1 mi awayGNIS position, USGS 3DEP at that point
    Pine Mountain (nearby summit)9,649 ft (2,941 m) · 1.7 mi awayGNIS position, USGS 3DEP at that point
    Thunder Mountain (nearby summit)8,558 ft (2,609 m) · 2.8 mi awayGNIS position, USGS 3DEP at that point
    Wright Mountain (nearby summit)8,486 ft (2,587 m) · 3.2 mi awayGNIS position, USGS 3DEP at that point

    Mount Baldy at a glance

    WhatValueSource
    CountySan BernardinoUSGS GNIS
    USGS 7.5-minute topo mapMount San AntonioUSGS GNIS
    Summit coordinates34.28914, -117.64607USGS GNIS
    Name in GNISMount San AntonioUSGS GNIS

    More peaks and tools

    Frequently asked questions

    How tall is Mount Baldy?

    No published survey elevation was found. The highest USGS 3DEP value within 250 m of the GNIS summit point is 10,060 ft (3,066 m); the true summit may be a little higher.

    Where is Mount Baldy?

    Mount Baldy is in San Bernardino County, California, at 34.2891, -117.6461, about 12 mi from Rancho Cucamonga. It appears on the USGS Mount San Antonio 7.5-minute topographic map.

    How much oxygen is there at the top of Mount Baldy?

    At 10,060 ft, water boils at about 193.7 °F (89.8 °C) and standard air pressure is 20.53 inHg (695 hPa), so each breath holds about 69% of the oxygen it would at sea level. The CDC says unacclimatized travelers risk altitude illness when they sleep at about 8,000 ft or higher, and sometimes lower.

    What is the closest airport to Mount Baldy?

    The nearest public-use airport is Cable (KCCB), 13 mi away in a straight line, at 1,444 ft (FAA).

    Sources

    How each number is produced: methodology and data sources.

    Data updated · By Ankit Kumar, compiled from public U.S. government and open datasets · How these numbers are made