Articles on Mountains

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Imja Lake, a glacial lake in the Mount Everest region of Nepal, began as meltwater ponds in 1962 and now contains 90 million cubic meters of water. Its water level was lowered to protect downstream communities. Alton Byers

As mountain glaciers melt, risk of catastrophic flash floods rises for millions

When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.
Parts of the North Fork of the Kentucky River flooded in July 2022, and again in February 2025. Arden S. Barnes/For The Washington Post via Getty Images

In many of Appalachia’s flood‑ravaged areas, residents have little choice but rebuild in risky locations

The latest floods exposed the deep vulnerability of many mountain communities in eastern Kentucky, where land ownership patterns and other barriers to recovery can leave residents with few options.
Helene’s heavy rainfall devastated small mountain towns far from the coast, including Marshall, N.C. AP Photo/Jeff Roberson

How Hurricane Helene became a deadly disaster across six states

Helene’s size and speed worsened everything from its storm surge to its extreme flooding in the mountains. And another hurricane was coming right on Helene’s heels.
Altitude sickness is rare at elevations of less than 8,200 feet but becomes much more common at higher altitudes. Maya Karkalicheva/Moment via Getty Images

Altitude sickness is typically mild but can sometimes turn very serious − a high‑altitude medicine physician explains how to safely prepare

Whether you’re ascending to high altitudes for casual travel or for adventure tourism, there are specific strategies to help you acclimate and reduce the likelihood of altitude sickness.

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