Stories from the Mountains

Recognize these 5 subtle warning signs of altitude sickness early to stay safe above 3,000m in the Himalayas.
travel tipsMay 5, 2026

SAFETY: ‘5 Warning Signs of Altitude Sickness Most Trekkers Ignore Until It’s Too Late’

At 5,200m on the Everest Base Camp trail, Sarah dismissed her throbbing headache as dehydration. She’d been hiking for eight hours, hadn’t drunk enough water, and the altitude "she reasoned" was just making her tired. Her team pushed on. Twelve hours later, she was airlifted to Kathmandu with High Altitude Pulmonary Edema (HAPE), fluid filling her lungs at a rate that would have killed her by morning. Don’t be Sarah. These 5 warning signs of altitude sickness are the ones trekkers ignore most often and that silence, that dismissal, is exactly what turns a dream trek into a medical emergency.