For decades, geologists have hypothesized that Yosemite Valley was shaped by a combination of natural forces, including tectonic uplift, water erosion, and glaciation. However, a ...

This was Yosemite National ... and how that loss has shaped the Sierra Club and modern environmentalism. “As an example of what should not be done to a scenic mountain valley,” Righter writes ...

Credit: NPS/Public Domain. The second mystery is that in California's Central Valley, where the Merced River spills out of Yosemite and creates a fan-shaped layer of sediment it has carried from the ...

U.S. News Insider Tip: Traffic is hectic in and out of Yosemite Valley. The National Park Service advises travelers to arrive before 8 a.m. to avoid hourslong delays. – Catherine Parker Unless ...

Heavy crowds between late May and early September are a fact of life in Yosemite and especially the U-shaped valley that is home to its most famous landmarks. How the mix of looser reservations ...

Temporarily shuttered parts of Yosemite Valley will reopen earlier than expected after fears of flooding receded Saturday, park officials announced. Eastern Yosemite Valley, which is home to ...

Reservations for campgrounds and lodging in the eastern Yosemite Valley will be automatically canceled and refunded, according to a National Park Service notice. It has been a tumultuous time in ...

about 15 miles northeast of Yosemite Valley. John Muir, the preservationist and author, and Robert Underwood Johnson, his editor at the Century Magazine, were mulling how to protect the California ...