SPECIAL NOTICE: The Yosemite Conservation Heritage Center will remain CLOSED through the 2020 season due to COVID-19.
We are exploring the possibility of offering "virtual" programs, so please check back.
This action is taken as part of the Sierra Club Response to COVID-19.

Photo by Jeremy Evans
The Sierra Club sponsors regular evening and daytime programs at the Yosemite Conservation Heritage Center during the summer.
PLEASE NOTE: Specific programs are subject to change or rescheduling. Please call ahead if you wish to attend a specific program at (209) 372-4542. Seating for each program held at the Center is limited to 50 guests
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Yosemite Conservation Heritage Center
2020 Season
INTERPRETIVE PROGRAMS
NOTE! Programs are held in the YCHC, Shuttle Bus Stop #12, across from the Housekeeping Cabins.
FREE and OPEN TO THE PUBLIC. Doors Open at 7:45 pm.
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[YCHC is open during the summer (May-Sept) Wednesday through Sunday 10:00 am to 4:00 pm]
MAY
SPECIAL NOTICE: The Yosemite Conservation Heritage Center will remain CLOSED and ALL PROGRAMS are canceled at least through June 20, 2020.
This action is taken as part of the Sierra Club Response to COVID-19. Please check here before anticipating a program, even if Yosemite National Park reopens before the YCHC does.
8:00 PM - Friday, June 26 – Rise and Fall of Sierra Nevada Glaciers
Greg Stock, Yosemite National Park Geologist
Greg, the first Yosemite National Park Geologist, takes us on a journey in a study of the formation and disappearance of the Sierra glaciers.
8:00 PM - Saturday, June 27 – Along the John Muir Trail: Mount Whitney to Half Dome
Lee Terkelsen, Nature and Historical Filmmaker
Join Lee as he narrates his film hiking through the High Sierra to Yosemite National Park.
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JULY
8:00 PM - Friday, July 10 – American Indian Storytelling and Flute Music
Ben Cunningham-Summerfield, Yosemite National Park Interpretive Ranger
Spend an evening with Ben as he weaves together lyrical sounds and stories.
A Great Family Program!
8:00 PM - Friday, July 17 – Power of Sequoia! Changing Our Lives. Big Trees. Big Impact!
Lee Terkelsen, Nature and Historical Filmmaker
Three of the first four national parks were created to protect groves of Sequoia trees. Welcome to Lee’s current film project—the influence of Sequoia on history and environmental policy.
8:00 PM - Saturday, July 18 – Along the John Muir Trail: Mount Whitney to Half Dome!
Lee Terkelsen, Nature and Historical Filmmaker
Join Lee as he narrates his film hiking through the High Sierra to Yosemite.
8:00 PM - Saturday, July 25 – Search and Rescue in Yosemite
Jack Hoeflich, Yosemite National Park Search and Rescue Ranger
Meet Jack and experience the challenges of rescues in Yosemite Valley, on its lofty granite walls, along the Merced River, and in the backcountry.
8:00 PM - Friday, July 31 – Little Tycooney and the Big Yosemite Race
Steven Riley, Author, Little Tycooney and the Big Yosemite Race
Meet Steve and hear his story about the Yosemite raccoon that inspired the book about this amazing race.
A Great Family Program!
AUGUST
8:00 PM - Saturday, August 1 – Yosemite Through John Muir’s Drawings
Michael Wurtz, Director of Special Collections, University of the Pacific/Sierra Club Member/YCHC Volunteer
Meet Michael and his new book John Muir’s Grand Yosemite, which captures places Muir hiked. University of the Pacific is the Home of the John Muir Papers. A new program for the YCHC.
8:00 PM - Friday, August 7 – American Indian Storytelling and Flute Music
Ben Cunningham-Summerfield, Yosemite National Park Interpretive Ranger
Spend an evening with Ben as he weaves together lyrical sounds and stories.
A Great Family Program!
8:00 PM - Saturday, August 15 – Search and Rescue in Yosemite
Jack Hoeflich, Yosemite National Park Search and Rescue Ranger
Meet Jack and experience the challenges of rescues in Yosemite Valley, on its lofty granite walls, along the Merced River, and in the backcountry.
8:00 PM - Saturday, August 22 – Orphaned Bear Cubs: The Story of Three Sibling Bears
Katie Patrick, Yosemite National Park Biological Science Technician, Bear Specialist
Katie explores the lives of three bear cubs alone in the Yosemite wilderness.
8:00 PM - Friday, August 28 – Power of Sequoia! Changing Our Lives. Big Trees. Big Impact!
Lee Terkelsen, Nature and Historical Filmmaker
Three of the first four national parks were created to protect groves of Sequoia trees. Welcome to Lee’s current film project—the influence of Sequoia on history and environmental policy.
8:00 PM - Saturday, August 29 – Yosemite’s Landmarks. Origins and History of Yosemite’s Places and Names
Jeremy Evans, Nature Photographer/Filmmaker/Sierra Club Outings Leader
Do you wonder who explored and named Yosemite’s iconic landmarks? Join Jeremy on this evening of historic discovery.
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SEPTEMBER
8:00 PM - Friday, September 11 – American Indian Storytelling and Flute Music
Ben Cunningham-Summerfield, Yosemite National Park Interpretive Ranger
Spend an evening with Ben as he weaves together lyrical sounds and stories.
A Great Family Program!
8:00 PM - Saturday, September 12 – Charles Kellogg: Bird Singer and Friend of the Redwoods
Mike Monroe, Director, Morgan Hill Historical Society
An introduction to Charles Kellogg, a forgotten naturalist, who sang like a bird, and fought to save the coastal redwoods.
8:00 PM - Friday, September 18 – Yosemite Through John Muir’s Drawings
Michael Wurtz, Director of Special Collections, University of the Pacific/Sierra Club Member
Meet Michael and his new book John Muir’s Grand Yosemite, which capture places Muir hiked. University of the Pacific is the Home of the John Muir Papers.
A new program for the YCHC.
8:00 PM - Saturday, September 19 – Going Batty! All About Bats!
Burleigh Lockwood, Wildlife Biologist, Fresno Chaffee Zoo
No Live Bats! But plenty of fun, as Burleigh, a bat expert, helps us explore the world of bats.
A Great Family Program!
END OF 2020 SEASON
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THANK YOU FOR JOINING US AT THE YOSEMITE CONSERVATION HERITAGE CENTER AND FOR JOINING THE SIERRA CLUB
Always in Nature,
Bonnie J. Gisel, Curator, Yosemite Conservation Heritage Center
Previous Programs: