Field-based Nature Learning In & About the Klamath-Siskiyous

Education • Research • Community • Science • Exploration

Give the Gift of an
Immersive Learning Experience

Give the nature lover in your life the chance to experience one of our classes with a Field Course Gift Certificate! SFI’s wide variety of courses means there’s sure to be something for everyone – from geology buffs, to burgeoning artists, to wild mushroom hunters. Choose from a range of amounts that your recipient can apply towards whichever field course excites them most.

You can also give the gift of a stay in SFI’s charming lodge with a Lodge Room Gift Certificate. Perfect for anyone looking to get away and enjoy the beautiful natural setting here among the creeks and mountains.

Brief History of the IV

Upcoming Events

A Brief History of the Illinois Valley

Join us for a FREE learning program and Q&A with instructor John Roth, Thursday September 21, from 6-7:15 PM at SFI.

The Illinois Valley is remarkably diverse. Per acre, it has one of the densest collections of different of climates, soils, rock types, endemics, relicts, and Ameridian languages. It is also rich with evidence of ancient climates, seafloors, shorelines, and peoples. Explore why so many diversities coincide in this area, what was here before the valley, and will our region travel to Alaska.

SFI Field Courses

Offering field courses throughout the Klamath-Siskiyou bioregion. From professional ecologists to amateur naturalists, we have have workshops and opportunities for all.

Spring & Summer 2024 field courses are out now! Join us for for classes on plein air painting, birding by ear, regional geology and more.

Browse Courses & Register Below:

Youth Education Programming

We can’t wait for you to see what we have in store this Spring and Summer!

Please get in touch to schedule day trips, challenge courses, or to plan more extensive overnight and off-campus programming.

Keep Posted on SFI Happenings

Explore the latest from SFI through our quarterly newsletter, The Darlingtonia, and get monthly updates on upcoming courses, free learning opportunities, and events. 

You can sign up to receive The Darlingtonia or our seasonal field course brochure by joining our mailing list below.

View the latest SFI newsletter:

Become a Member of SFI!

Siskiyou Field Institute Members Save 10% on Field Courses, Lodging, Youth Camps, and SFI Merchandise!