Yosemite National Park

Yosemite National Park

Rules / Safety in Yosemite

Yosemite Regulations

Visitors to Yosemite National Park are the park's most important guardians. With nearly 3.5 million visitors watching over its special plants, animals, historic and archeological sites, imagine how well-protected these park resources could be! During your visit to Yosemite, be aware that there are people who either intentionally or unknowingly ...

READ MORE
Effects of Altitude

Altitude sickness may develop in otherwise healthy and fit people who are exposed to rapid increases in altitude. It can develop at altitudes as low as 8,000 feet (Yosemite Valley's elevation is 4,000 feet). The risk of occurrence increases with age and with diseases of the heart and lungs. Altitude ...

READ MORE