Yamsay Mountain

Also Known As: Yam Say Mountain, Yam Say Peak, Yamsay Butte, Yamsay Peak, Yamsey Mountain, and Yamsi Mountain.



Prominent elevation rising above the surrounding level of the Earth's surface; does not include pillars, ridges, or ranges.
See also: Pillars, Ranges, and Ridges
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GPS Coordinates

Latitude, Longitude:
42.9306949°, -121.3639009°
Elevation Icon


8100 ft. (2469 m.)

Topographic Map

US Topo Map

The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. Yamsay Mountain is covered by the Yamsay Mountain, OR US Topo Map quadrant

Free US Topo Map PDF Order Waterproof Printed Topo Map
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Nearby Summits

Little Yamsay Mountain 5.5 mi
Skeeter Butte 5.5 mi
Dillon Butte 5.5 mi
Rodman Rock 6.7 mi
Fire Butte 7.7 mi

Nearby Cities

Nearby Points of Interest

Jackson Ridge Land 1.3 mi
Buck Ridge Land 2.6 mi
Booth Ridge Land 3.0 mi
Antler Springs Water 3.1 mi
Blue Buck Spring Water 3.8 mi

Nearby Photos

Photos provided by Panoramio and Flickr are under the copyright of their owners.

Historical Weather

Below are weather averages from 1971 to 2000 according to data gathered from the nearest official weather station. The nearest weather station for both precipitation and temperature measurements is SILVER LAKE RANGER which is approximately 20 miles away and has an elevation of 4,382 feet (3,718 feet lower than Yamsay Mountain). Because the nearest station and this geographic feature may have differences in elevation and topography, the historic weather at the two separate locations may be different as well.

Average Daily Temperatures by Month (°F)

Average Monthly Precipitation (in inches)

Month Precip AVG High Temp AVG Low Temp
January .99" 39.4° 21.1°
February .73" 44.6° 23.0°
March .81" 50.3° 25.5°
April .76" 58.3° 28.6°
May 1.11" 66.3° 34.3°
June .79" 75.3° 39.9°
July .58" 83.7° 44.4°
August .59" 84.0° 43.8°
September .57" 76.0° 36.3°
October .61" 64.7° 29.6°
November 1.10" 46.7° 25.8°
December 1.16" 39.4° 19.6°

Summer High Temps

This location's average summer high temps are lower than 66% of other locations on record.

Winter Low Temps

This location's average winter low temps are higher than 51% of other locations on record.

Precipitation Levels

This location's average precipitation levels are lower than 95% of other locations on record.