The spring 2017 class is now FULL

To be placed on a wait-list in case of cancellations please fill out the interest form here.  Please write in the question portion of the form that you are interested in being wait-listed.


The course will run from March 8th through May 17th (no class April 12th for spring break).

Classes will be held Wednesday evenings from 6:00-8:30pm at Sierra Streams headquarters in Nevada City.


Here is the 2017 flyer.

Details at a glance:

  • 10 Lectures: Wednesdays, 6:00 – 8:30pm, March 8 – May 17, 2017
  • 4 Half-day Field Trips: Saturdays 3/18, 4/1, 4/22, 4/29
  • There will be no class April 12 for spring break.
  • Classes will be held at Sierra Streams headquarters in Nevada City.
  • Tuition: $395 early registration by February 1st.  $450 thereafter.
  • Contact: Kelly Santos or Sol Henson-  cnssi@sierrastreams.org.
  • Info: cnssi.wordpress.com (this site), calnat.ucanr.edu.

Registration is now FULL.  Sorry to those who were not able to get into the course this spring.

  • This course is now full.  You may fill out the interest form if you would like to be placed on our wait-list.
  • View our refund policy.

Interested and have questions?

  • Fill out our Interest Form here.

Want more info about California Naturalist?

For more information about Sierra Streams Institute.


Photo of Escholzia californica (California Poppies) by Charlie Chisholm