Drought and Bark Beetle-Caused Tree Mortality in the Sierra- Seminar

Calaveras Big Trees State Park, Ralston Classroom 1170 East Highway 4, Arnold

Dr. Christopher Fettig, Research Entomologist and Team Leader for the Forest Service, will speak on: Drought and Bark Beetle-caused Tree Mortality in the Sierra: Causes, Consequences and the Future". As a result of extensive levels of tree mortality in the central and southern Sierra Nevada due to bark beetle outbreaks, Governor Jerry Brown declared a state [...]

Native Plants of the Sierra Nevada

Calaveras Big Trees Visitors Center 1170 E. Highway 4, Arnold

From the Foothills to the High Sierra, plant communities are defined by their environment. Come explore the notion of plants and trees and learn about select members from these communities. Program Leader: Nancy E. Muleady-Mecham, Ph.D. Doc Nancy is an Adjunct Professor of Biology at Northern Arizona University, a Visiting Lecturer for the University of [...]

All Day Nature Blitz

Calaveras Big Trees Visitors Center 1170 E. Highway 4, Arnold

Presented by Nancy E. Muleady-Mecham, Ph.D. 9 am – 10 pm – Begins in the Ralston Classroom in the Education Building by the Visitor Center. Join Doc Nancy for a day of in depth nature exploration. In addition to topic presentation and walks and demonstrations, attendees will learn interpretive techniques as well. This program is free [...]

Glorious Trees-Alfred Russel Wallace in California – Seminar

Calaveras Big Trees State Park, Ralston Classroom 1170 East Highway 4, Arnold

Presented by author, Sal Manna This book is the until-now untold story of the 1887 visit to California of one of the most famous men of science in the world, the man who had conceptualized around the same time as Darwin the “survival of the fittest” cornerstone of natural selection, the lynch-pin for the theory of evolution. [...]

Miwok and Native American Culture

Jack Knight Hall - Calaveras Big Trees State Park 1170 East Highway 4, Arnold

Presented by CBT Supervising Ranger, Steven Walloupe.   Seminars are free and open to the public. There is a day-use fee to enter the Park. Pack a lunch, bring the family and plan on spending the day among the Giant Sequoias. For more information call Calaveras Big Trees Association at (209)795-1196. Location:  Jack Knight Hall [...]

Tree Mortality, Fire, Climate Change and Future Forests in the Sierra Nevada- Seminar

Ralston Classroom 1170 East Highway 4, Arnold

Presented by Susie Kocher, Forestry/ Natural Resources Advisor The forests of the Sierra Nevada have been undergoing increasing stressors with drought leading to increasing tree mortality and wildfires killing trees across vast areas. The type and timing of disturbances such as bark beetles or fire have profound effects on the recovery of Sierra Nevada forests as [...]

Photography in Calaveras Big Trees-Seminar

Ralston Classroom 1170 East Highway 4, Arnold

Presented by Alan and Claudia Beymer, our amazing Park photographers. How do you take a picture of a Giant Sequoia?  Come find out. Two of the most prolific photographers in Calaveras Big Trees State Park will provide a free slide show this Saturday May 5 of their beautiful work, including dozens of stunning photographs of [...]

Nature Blitz

Calaveras Big Trees 1170 East Highway 4, Arnold

Here is your chance to immerse yourself in the Natural History of the Sierra Nevada at Calaveras Big Trees State Park. Join Doc Nancy for a day of in-depth nature exploration.  In addition to topic presentation, walks and demonstrations, attendees will learn interpretive techniques as well.  All walks are classed as “easy,” with the longest [...]

Bradley Grove and More History of Calaveras Big Trees- Seminar

Calaveras Big Trees State Park, Ralston Classroom 1170 East Highway 4, Arnold

Presented by Mel Bradley, grandson of the Owen and Adrienne Bradley, who helped protect the grove, raised the money to purchase the South Grove, and planted the Bradley Grove. Seminars are free and open to the public. There is a day-use fee to enter the Park. Pack a lunch, bring the family and plan on spending [...]

John Muir Laws-Workshop- Class Full-Waitlist Only

Calaveras Big Trees 1170 East Highway 4, Arnold

  Click on button to sign up on waitlist!     “Thinking Like a Naturalist: Reclaiming the Art of Natural History”                                       Learn how to be a naturalist. Our day begins with an introductory class: Thinking like a Naturalist, where we explore how to increase your observational skills, memory, curiosity, and creative thinking. We then go [...]

$25