- 2nd Tuesday of the month
- Free for visitors
- Focus on changes in the Sierra's
Overview: Building a knowledge base of the changes in the Sierra Nevada is the theme behind the annual Yosemite Forum.
When: Held on the 2nd Tuesday of each month. See the Yosemite National Park website for exact dates and times.
Where: The Yosemite Valley Auditorium
Fees: Free to park visitors
Details: Lectures are typically noon to one pm. Speakers do vary each month so make sure to check a schedule foe details and topics.