Fall/Spring Classes

Summer Field Trips

Field Course Requirements

Trip Logistics

Equipment and Food

Frequently Asked Questions

Plant Sales




Summer 2021 Trips with Stew Winchester

To go on a trip-

1. EMAIL stewwinchester@sbcglobal.net to reserve a spot on your first choice trip.

  • Please indicate which trip is your first choice.
  • Trip sign-up requests must include your cell number. 
  • If you need to cancel, you must email as soon as you know that you will miss a trip that you have signed up for.

2. ATTEND an orientation Zoom meeting - Those new to Stew’s field trip classes MUST attend an orientation meeting.

Wednesday, June 16th, 7-9pm & Wednesday, June 23rd, 7-9pm

See Orientation Zoom Meeting Details HERE

  • Orientation will include information on location specifics, maps, logistics, vehicle reqs/prep, food and kitchen items needed, daily hikes and preparation, equipment, plant lists and books/apps
  • Stew will present photos of trip destinations and answer questions.
  • Students who have previously taken field trips with Stew should attend an orietnation or REVIEW the information on this website.


Please use email for general inquiries: stewwinchester@sbcglobal.net. Stew’s cell phone is (510) 685-7024.

Summer 2021 Trip Schedule





July 1-5

Siskiyou Mtn’s. 4500’- 7000’.    

Rock Gardens & Forest Streams          

Klamath Nat’l Forest


July 8-12

Shasta Mtn, Mt Eddy. 5500’- 10000’.  

Basalt Gardens and Serpentine Bogs      

Shasta/Trinity Nat’l Forest


July 15-19

Marble Mtn’s. 6000’- 8300’.      

Limestone and Serpentine Rock Gardens

Klamath Nat’l Forest


July 22-26

Marble Mtn’s. 6000’-8300’.    

 Potential Backpack trip…Marble Gap or Boulder Pk.

Klamath Nat’l Forest

Please note:

  • ALL DESTINATIONS ARE SUBJECT TO CHANGE! Posted destination may change depending on weather, road conditions, or phenology.
  • Car camp style trips. Group will meet at the destination, or nearby, by arrangement, then camp and head out daily for day hikes.
  • Costs: Trip fee $25 (includes shared equipment such as water filters and stove fuel). Additional expenses include carpooling (riders cover all fuel costs for drivers) and may include campground fees and wilderness permit fees where applicable. Participants carpool for all trips.
  • Students who emailed their trip requests will be signed up for their first choice trip until the trip limit is reached. Students who request to sign up for a trip that is full will be notified that they need to select an alternate trip.
  • Each participant should be in good shape and be able to hike/backpack/take care of personal needs/keep up with the group AND have enough energy remaining to learn about plants while exploring the outdoor environment.
  • Each participant provides their own food and personal camping equipment. Stew may have gently used gear available for purchase and hand out Mountain Hardwear store passes at the Orientation Meeting.
  • REI offers classes in basic backpacking skills. This is a botany class.

Please revisit this page for more information and schedule updates.

"As students in the life sciences we must all make an effort to absorb nature's bounty this year. Get yourselves and your cameras ready!"