With its stunning cliffs and breathtaking vistas, Yosemite National Park is a climber’s dream. However, recent events have raised alarms among park officials and visitors alike.
Yosemite is seeing an unusual rise in rockfall incidents, which are not new to the area but have become more frequent. According to the US Geological Survey (USGS), rockfalls occur when large sections of rock break away from steep cliffs. Over the past 150 years, there have been more than 1,000 recorded rockfalls in the park.
One notable case is the “Super Natural” crack. First spotted in 2023, it has changed in size with the seasons. Because of safety concerns, officials closed the Super Slide climbing route in August 2024.
Recent observations have surprised even seasoned park geologists. Climbing program manager Jesse McGahey mentioned that a scientist who studied the area was astounded by the unusual activity. He noted, “They’ve never seen anything like this in 15 years working in Yosemite.”
While rockfalls are part of nature, human activity can speed up these events. In the Alps, for instance, warmer temperatures have caused permafrost to melt, weakening rock structures. This led to evacuations in July 2025, when 100 tourists had to be rescued from the Brenta Dolomites in northern Italy due to rockfalls, as shared in Earth.org.
Yosemite is working with the USGS to monitor rockfall activity closely. They are taking steps to reduce risks, such as removing or repurposing buildings in high-risk areas.
Visitors play a crucial role in safety. Reporting any rockfalls, even minor ones, helps the park track changes and adjust safety measures. Additionally, it’s important to remind anyone planning a visit to stay alert and cautious while exploring the stunning yet unpredictable landscape.
As outdoor enthusiasts flock to Yosemite, understanding these risks becomes vital. The park’s beauty is irresistible, but so are its hidden dangers. Stay informed and enjoy the wonders of nature safely.
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