Neutrino Day

JULY 12, 2025

Where Science & Fun Collide

South Dakota’s largest FREE science festival features interactive hands-on science, art, speakers, entertainment, and virtual reality, along with hoist room and garden tours throughout the City of Lead.

Neutrino Day brings together curious minds of all ages for a day of science fun!

Schedule of Events

Meet our Speakers

News

05.21.2025

SURF invites photographers to join global photo competition

SURF 2018 Photowalk finalists (from left) include images by Matt Kadlick, Bonny Fleming, Chris Yushta.
Join photographers from around the world to document the excitement of Neutrino Day, a select...
07.10.2024

SURF hosts the free citywide science festival in Lead, SD each year in July.

On July 13, the Sanford Underground Research Facility, (SURF) will host the 16^th annual Neutrino Day in Lead, SD. This free, citywide science festival features hoistroom tours, science activities and...