Yosemite National Park: Marea Ortiz, Park Ranger, gives an overview of camping in Yosemite and procedures for getting a campsite.

Yosemite National Park: Water in Yosemite is more dangerous than it looks, and stories like Matthew's are a common occurrence.

Yosemite National Park: Water in Yosemite is incredibly beautiful, but can be powerful and deadly. Sixteen people died in Yosemite's creeks and rivers between 2002 and 2011. Yosemite Search and Rescue rangers share their knowledge of common mistakes and how to avoid them.

Yosemite National Park: A ranger describes strenuous hikes in Yosemite Valley, including the Yosemite Falls Trail, Mist Trail to the top of Nevada Fall, and Panorama Trail.

Yosemite National Park: A ranger describes easy hikes to Bridalveil Fall, Mirror Lake, and Lower Yosemite Fall.

Yosemite National Park: A ranger describes moderate hikes along the Valley Loop Trail, to Vernal Fall Footbridge, and Columbia Rock.

Yosemite National Park: This video provides information to help you plan your Half Dome hike.