Have you ever wanted to learn more about the research that is happening in Yosemite? Our Yosemite Field School programs offer an opportunity to understand the park ecosystem through in-depth guided excursions.

Our Yosemite Field School programs are led by experts in their field, including National Park Service staff and researchers, alongside our Yosemite Conservancy naturalist guides.

Come and learn all about the geology, geography, and unique habitats and species that make Yosemite such a diverse and special place!

Yosemite Valley Geology

Learn about the ancient processes that formed Yosemite’s iconic peaks, domes, and cliffs on this day hike with National Park Service Geologist Greg Stock.

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Hetch Hetchy Springtime Flora and Meadows

Dive into the botanical beauty of northwestern Yosemite during a two-day guided program with a knowledgeable naturalist guide.  See the drastic changes in Ackerson Meadow, the largest wetland restoration project in Yosemite’s history.  NPS Hydrologist Catherine Fong will walk us through this magnificent project getting State-wide recognition.

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Bird Behavior, Nesting, and Communication

Tap into your keenest observation skills while your instructor shares interesting details about Yosemite’s diverse bird species.

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Fascinating Fungi

Explore the mesmerizing world of fungi on this mycological naturalist guided tour: uncover their vital role in the ecosystem, learn about their use in indigenous cultures, and embark on a fungi search in the breathtaking sub-alpine forests of Yosemite.

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Alpine Immersion

Reconnect with nature while you explore high-elevation habitats, learn about the importance of nunataks, and discuss the effects of the changing climate on these delicate landscapes.

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Bird-Banding

Get an in-depth look at diverse bird species and avian conservation during this special ornithology-focused program.  The group has the special opportunity to observe two bird-banding sessions in Yosemite.

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Recovering Endangered Species in Yosemite

While the main focus of this program is the importance and survival story of the yellow-legged frog with expert researcher Roland Knapp.  The group will also discuss the plight of the Sierra Nevada Bighorn sheep, Sierra Nevada Red Fox, whitebark pine, and Yosemite toads.

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Bighorn Sheep Backpack

Get a firsthand look at techniques used to study and protect endangered Sierra Nevada bighorn sheep on this Yosemite Field School backpacking course.

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Tuolumne Meadows Geology

Join Yosemite’s park geologist to explore domes, peaks and glacial features during a pair of day hikes in the Tuolumne Meadows area.

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Upcoming Outdoor Programs

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Day Hike: Stewardship Weekend

Yosemite Valley
Program Overview: Deepen your connection to Yosemite by donating your time and talents to help the park. During this Stewardship
08/29/2025 - 08/30/2025
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Women’s Backpack: Clouds Rest and Sunrise Lakes

Clouds Rest
Program Overview: Join us for an unforgettable Yosemite adventure along a classic wilderness route. This three-day, two-night guided backpacking trip
08/29/2025 - 09/01/2025
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Backpack & Paint with Nikki Frumkin

Cathedral Lake
If you enjoy watercolor painting and backpacking, this is the trip for you! On this three-day, two-night backpacking trip, you
09/11/2025 - 09/14/2025
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