Sunrise light on a grove of tufa towers emerging from the water of Mono Lake with soft green and dusty-red wild grasses in the foreground, Canada geese in the shallow water with reflections of the rocky towers, and desert hills in the distance.
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July 22, 2022 @ 7:00 pm July 24, 2022 @ 4:00 pm

2022 Geology Field Seminar Lottery

Due to the overwhelming popularity of the Geology of the Mono Basin Field Seminar, this year we will be offering a lottery system for this seminar only. First-time registrants for this seminar will get priority; however, there will be a limited number of spots for past attendees as well.

The lottery application will ask the following:

  • Name (One lottery entry per person permitted, and lottery entries are not transferable)
  • Email
  • Group size (up to 4)
  • Have you, or anyone in your group, attended the Geology of the Mono Basin Field Seminar in the past?

The lottery will open on February 17, 2022 at 9:00am PST at the same time as registration for all other Field Seminars and the lottery will close on February 22, 2022 at 11:59pm PST. You can enter once at any time during this window. Everyone will be contacted on February 23, 2022 by email with the results of the lottery. If your lottery entry is successful, you will have until February 25, 2022 to complete your registration. If your lottery entry is not successful, you will be notified of your position on the waitlist (determined by random draw) and if you would like to accept that spot on the waitlist.

From volcanic craters to glacial moraines, earthquake faults to tufa towers, the Mono Basin displays some of the most unique, spectacular, and accessible geology anywhere in the world. This seminar, consisting of field visits to the premier sites, will present in understandable fashion the geologic stories of the Mono Basin. Greg Stock is the first ever Yosemite National Park geologist. He has authored or co-authored more than 50 papers and abstracts on Sierra Nevada geology and is co-author of the book Geology Underfoot in Yosemite National Park.


Date: July 22–24, 2022

Instructor: Greg Stock

Price: $235 for members / $250 for the public

Registration: Lottery opens February 17, 2022 at 9:00am PST.

Questions? Contact the field seminar team by email or phone at (760) 647-6595.

Activity level: DIFFICULT

This seminar’s activity level: difficult. We will be walking up to three miles a day, some of which will be over uneven terrain, off trail, and will include stepping up and over obstacles. This type of walking requires good balance, some agility, and stamina. Be prepared for short, steep sections of trail. This seminar includes a short but challenging hike at altitude.

A man talks to a group in a rocky pathway.