• Rainbow over Half Dome


    National Park California

There are park alerts in effect.
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  • Road Closures Due to El Portal Fire

    The Big Oak Flat Road between Crane Flat and the El Portal Road is temporarily closed. There is no access to Yosemite Valley via the Big Oak Flat Road or Highway 120. Tioga Road is open and accessible via Big Oak Flat and Tioga Pass Entrances. More »

  • Campground Closures Due to Fire

    Crane Flat, Bridalveil Creek, and Yosemite Creek Campgrounds are temporarily closed. More »

  • Yosemite National Park is Open

    Yosemite Valley, Glacier Point, and Wawona/Mariposa Grove areas are open and accessible via Highways 140 and 41. Tioga Road is not accessible via Highways 140 and 41 due to a fire.

Yosemite Forum

The Yosemite Forum is a free interactive lecture series designed to bring evolving knowledge of the Sierra Nevada to the public and the park. Lectures are noon-1 p.m. on the second Tuesday of the month in the Yosemite Valley Visitor Center Auditorium.

2014 Yosemite Forum Schedule
February 11
Joseph Stewart
UC Santa Cruz
On the distribution and abundance of pikas in Yosemite
March 11
Rachel Mazur
US Forest Service
Bears in the Sierra: Does mother really know best?
April 8
Kurt Cuffey
UC Berkeley
A glaciological update on the Yosemite landscape
May 13
Andi Heard
NPS Inventory & Monitoring
Twentieth-century atmospheric deposition and acidification trends in Sierra Nevada lakes
July 8
August 12
Richard Becker
University of Wisconsin-Madison
Rock fractures and the formation of the Tuolumne landscape
September 9
Sarah Yarnell
UC Davis
Sierra Nevada watersheds in an era of hydroclimatic change
October 14
Carly Whelan
UC Davis
Prehistoric mobility and trade in the central Sierra Nevada: An analysis of sourced obsidian artifacts
November 11
Connie Millar
US Forest Service
December 9
Kat Anderson
UC Davis
The Ethnobotany and associated stewardship of California Black Oak ecosystems in the Sierra Nevada

The Yosemite Forum is a partnership among:

  • Yosemite National Park
  • Yosemite Conservancy
  • USGS, Western Ecological Research Center Yosemite Field Station
  • University of California, Sierra Nevada Research Institute
  • USFS, Pacific Southwest Research Station, Sierra Nevada Research Center

Learn more about the park's research and studies--also detailed in the Yosemite Science online resources management publication published on an occasional basis. Find Yosemite content throughout the Nature & Science and History & Culture web pages.

Did You Know?

Gaylor Lake

That 95% of Yosemite is designated Wilderness? In Wilderness, you can experience unparalleled opportunities for solitude while visiting some of the most beautiful places on Earth. More...