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Mount Adams elevation

Mount Adams rises to 12,281 ft (3,743 m) above sea level in Washington.

Published summit elevation

12,281ft

3,743 m above sea level

NGS survey mark MOUNT ADAMS (PID SB1004) · NAVD 88 (current U.S. vertical datum)

Source: NOAA National Geodetic Survey datasheet SB1004 (mark last recovered 1970)

USGS 3DEP grid value (secondary)
12,276 ft (3,742 m)
5 ft below the published figure. Elevation grids average each cell, so they under-read sharp summits.
Source: USGS 3D Elevation Program
Rise above White Salmon, WA
11,664 ft
33 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 Adams 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 12,276 ft

    Standard-atmosphere estimates for the summit of Mount Adams (12,276 ft, from the USGS grid value). Weather moves the real values a little from day to day.

    Water boils at
    189.6 °F
    87.5 °C
    Boiling point calculator
    Air pressure
    18.82 inHg
    637 hPa · 9.25 psi
    Pressure calculator
    Oxygen per breath
    63 % 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 Adams and other Washington 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
    Published summit elevation12,281 ft (3,743 m)NOAA National Geodetic Survey datasheet SB1004 (mark last recovered 1970)
    Highest USGS 3DEP value near the summit12,276 ft (3,742 m)USGS 3DEP, 81 points within 250 m
    USGS 3DEP at the GNIS summit point12,276 ft (3,742 m)USGS 3DEP + GNIS coordinates
    Nearest town: White Salmon, WA617 ft (188 m) · 33 mi awayCensus Gazetteer + USGS 3DEP
    Nearest public airport: Packwood (55S)1,057 ft (322 m) · 29 mi awayFAA field elevation
    Pikers Peak (nearby summit)11,632 ft (3,545 m) · 0.5 mi awayGNIS position, USGS 3DEP at that point
    South Butte (nearby summit)7,778 ft (2,371 m) · 2.9 mi awayGNIS position, USGS 3DEP at that point
    Goat Butte (nearby summit)7,477 ft (2,279 m) · 3.1 mi awayGNIS position, USGS 3DEP at that point
    Red Butte (nearby summit)7,202 ft (2,195 m) · 3.4 mi awayGNIS position, USGS 3DEP at that point
    The Hump (nearby summit)6,612 ft (2,015 m) · 3.4 mi awayGNIS position, USGS 3DEP at that point

    Mount Adams at a glance

    WhatValueSource
    CountyYakimaUSGS GNIS
    USGS 7.5-minute topo mapMount Adams EastUSGS GNIS
    Summit coordinates46.20244, -121.49077USGS GNIS

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    Frequently asked questions

    How tall is Mount Adams?

    Mount Adams is 12,281 ft (3,743 m) above sea level, according to NOAA National Geodetic Survey datasheet SB1004 (mark last recovered 1970), on the NAVD 88 datum. The highest USGS 3DEP grid value near the summit is 12,276 ft.

    Why does the USGS map value differ from the published height of Mount Adams?

    The USGS 3D Elevation Program stores ground elevation as a grid of cells. Each cell holds one value for its whole area, so a pointed summit is averaged with the slopes around it and the grid reads lower than a survey of the top. Here the difference is 5 ft.

    Where is Mount Adams?

    Mount Adams is in Yakima County, Washington, at 46.2024, -121.4908, about 33 mi from White Salmon. It appears on the USGS Mount Adams East 7.5-minute topographic map.

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

    At 12,276 ft, water boils at about 189.6 °F (87.5 °C) and standard air pressure is 18.82 inHg (637 hPa), so each breath holds about 63% 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 Adams?

    The nearest public-use airport is Packwood (55S), 29 mi away in a straight line, at 1,057 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