With the high peak of Zermatt sitting at 3899 meters (12792 ft), altitude sickness can be very common, especially for travelers coming from sea level.

Zermatt sits at an elevation of approximately 1,620 meters (5,315 feet), which is generally below the threshold where most people experience Acute Mountain Sickness (AMS), typically occurring above 2,400 meters. However, the unique aspect of Zermatt is that visitors frequently take cable cars to much higher altitudes, such as the Matterhorn Glacier Paradise at 3,883 meters. If you ascend rapidly to these heights without acclimating at the village level first, you may experience symptoms like headaches, dizziness, or shortness of breath. It is crucial to stay hydrated, avoid excessive alcohol upon arrival, and descend immediately if you feel unwell. Most people find that staying in the village is perfectly fine, but the "peak" excursions require a bit more caution regarding your body's oxygen processing.