The Citizen Scientists trained by Dr. Peter Stacey on the weekend of April 12, are completing their measurements and assessment of several of the riparian areas along Sonoita Creek.  For more information about the project, email us at

First Day Hike (January 1) led by Friends of Sonoita Creek for Patagonia Lake State Park.


Friends Social on December 1 gave members and their friends a chance to talk and learn about activities and opportunities in the organization.



PAST Annual Meetings

March 17, 2018 Annual Meeting, Cady Hall, Patagonia, AZ
Panel Discussion by leaders in the community about their environmental organizations and their current focus and plans.

March 18, 2017 Annual Meeting, Cady Hall, Patagonia, AZ

March 5, 2016 Annual Meeting, Cady Hall, Patagonia, AZ
Dr.Laura M. Norman spoke on our water issues and documented the history of some of the recent changes in our watershed.

Field Workshop, March 15,16, 2015
Learn the basics of the Rapid Stream/Riparian Assessment with a hands-on training and discussion with Dr.Stacey and assistants. Three days is required for most people to become fairly competent. Sunday & Monday will be full days, right now Tuesday is optional. Limited enrollment. For more information, call 520-4550-5016. On-line users’ guide here.

March 14, 2015 Annual Meeting, Cady Hall, Patagonia, AZ
1:00 Business, 2:00 Dr. Peter Stacey will present the method of rapid stream-riparian assessment that allows citizens and managers to efficiently understand the health of a stream. The assessment system is designed for arid environments in the western US. He will include observations made on Sonoita Creek in 2014.

March 29, 2014 Annual Meeting – Keynote speaker Matt Killeen, The Nature Conservancy, Sonoita Creek Preserve.

March 23, 2014 Annual Meeting – David Seieibert, Conservation Director of Borderlands Habitat Restoration Initiative [BHRI], talked to us about his organization, its goals and plans.  BHRI is the first limited-profit business registered in Arizona, aimed toward the state-defined “social good” of ecological restoration through collaborative conservation, with a strong community involvement component.

March 24, 2012 Annual Meeting – Tom Meixner, a U of A hydrologist, spoke about water in riparian areas and what we can do to protect the health of Harshaw Creek and Sonoita Creek.

October 10, 2010 Annual Meeting –  A butterfly walk led by Jim Brock, author of Butterflies of the Southwest and an afternoon presentation he called “A  Photo Butterfly Walk.” 

November 28, 2009 Annual Meeting – Arizona State Parks invited us to celebrate the life of environmentalist and forester Aldo Leopold, during a special Aldo Leopold Centennial Event. Aldo Leopold, an ecologist, forester, and environmentalist, was influential in the development of modern environmental ethics.  David Brown as Aldo Leopold told of his philosophy and accomplishments. 

December 6, 2008 Annual Meeting – Ben Lomeli, a professional hydrologist and teacher, talked about the changes that are occurring in the availability of water in SonoitaCreek and the Santa Cruz River. His slides showed the watershed of Sonoita Creekand tables documenting the amount of water flowing into the Santa Cruz river fromSonoita Creek over time. Following his presentation he answered audience questions. 

December 8, 2007 Annual Meeting – Phil Halpenny presented a 200-year overview of the history of Sonoita Creek beginning with original documents of the ownership of the land. He explained the hydrology of the creek and the changes that have occurred in the past 200 years.

December 10, 2005 Second Annual Meeting – Doug Hamilton, University of Arizona Retired Professor spoke on the Apache Indians and their historical impact in the Sonoita Creek area.