The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Science & Nature›Geography›Mount Washington
Science & Nature • Geography

Mount Washington

Mount Washington is the highest peak in the Northeastern United States, rising to 6,288 feet (1,917 metres) in New Hampshire’s White Mountains.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Mount Washington is the highest peak in the Northeastern United States, rising to 6,288 feet (1,917 metres) in New Hampshire's White Mountains. It is known for severe weather, including some of the strongest wind speeds ever directly measured at the Earth's surface, and for the Mount Washington Observatory at its summit.

Geography

Mount Washington is a mountain in Coös County, New Hampshire, within the Presidential Range of the White Mountains. Its summit is the highest point in the Northeastern United States and one of the most prominent peaks east of the Mississippi River.

Climate and weather

The summit is famous for extreme weather, including very high winds, heavy precipitation, and rapidly changing conditions. The mountain’s weather has made it a significant site for meteorological observation and study. A wind gust of 231 mph (372 km/h) was recorded there in 1934, a long-standing world record for direct surface measurement.

Human use and access

Mount Washington is accessible by road, by the Mount Washington Cog Railway, and by hiking trails. The summit area has long served tourism, recreation, and scientific observation.

Observatory and landmarks

The Mount Washington Observatory has operated on or near the summit as a weather research and education institution. Summit buildings such as Tip Top House and Summit House are part of the mountain’s historical visitor infrastructure.

Key facts

  • Mount Washington is the tallest peak in the Northeastern United States.
  • It is located in the Presidential Range of New Hampshire’s White Mountains.
  • The mountain is widely noted for severe and highly changeable weather.
  • A wind gust of 231 mph (372 km/h) was recorded there in 1934.
  • The summit area includes the Mount Washington Observatory and public visitor facilities.
🍁
Canadian context

Mount Washington is sometimes of interest to Canadian readers because its summit visibility and weather systems are part of the broader northeastern North American mountain region, and the mountain is also close enough for some views toward Quebec on clear days.

Frequently asked questions

Where is Mount Washington located?
Mount Washington is in the White Mountains of New Hampshire, United States, in Coös County within the Presidential Range.
How high is Mount Washington?
Its elevation is 6,288 feet (1,917 metres).
Why is Mount Washington famous?
It is famous for being the highest peak in the Northeastern United States and for its extreme weather, especially strong winds.
What is the Mount Washington Observatory?
It is a weather and research observatory located on the summit of Mount Washington.
Can visitors reach the summit?
Yes. The summit can be reached by road, by the cog railway, and by marked hiking trails.
Is Mount Washington part of a protected area?
Yes. It is within the White Mountain National Forest, and the summit is included in Mount Washington State Park.

References

  1. Britannica — https://www.britannica.com/place/Mount-Washington
    Supports: Elevation, location in the Presidential Range, extreme weather, access routes, summit landmarks, and watershed information.
  2. Reuters — https://www.reuters.com/article/world/factbox-five-facts-about-mount-washington-idUSNOA038096/
    Supports: Elevation and status as the tallest peak in the northeastern United States.
  3. Wikipedia — https://en.wikipedia.org/wiki/Mount_Washington
    Supports: Location in Coös County, White Mountains, summit township, and highest peak in the northeastern United States.
  4. Wikipedia — https://en.wikipedia.org/wiki/Mount_Washington_Observatory
    Supports: Summit observatory location and its role as a scientific and educational institution.