Altadena Heritage addresses its mission to raise awareness of our foothill community’s rich architectural, environmental, and cultural heritage by recognizing places that make Altadena unique. This work includes periodically designating sites and whole neighborhoods as Altadena Heritage Areas through our AHA! Program, annually celebrating gardens that give to the beauty of our streets in the Golden Poppy Awards and Garden Party, and holding other special programs that give members access to special places in our community.


Third Thursday with the Popenoe Family
Third Thursday with the Popenoe FamilyImproving on Nature: Altadena’s Plant-Exploring Popenoes and the West India Gardens June 15 at 7:00pmAltadena Community Center Michele Zack–writer, historian, and recent Alan Jutzi Fellow at The Huntington Library–will present an...

The 2023 Golden Poppy Awards and Garden Party
We invite you to join your fellow Altadena Heritage members to celebrate the…

Golden Poppy Garden Bike Tour
May 28th at 9am. Meet in Triangle Park. We are hosting a third community…

Join Us For a Drink
Meet People in Your Altadena CommunityDear New Altadena Resident, If you would like to learn more about the rich history of our little town or just want to meet some of your neighbors, we invite you to be our guests for a glass of wine at a terrific local hotspot...

Preservation Meeting Jan 2023
A County Regional Planning hearing on Wednesday, January 11, 2023 will be held to consider…

A Wonderful Holiday party!
What a lovely afternoon at the historic McNally house! Frank Mayor and Huan Gu were incredibly gracious…

Monte Cedro & Christmas Tree Lane
Altadena Heritage holds two events each year for the residents of Monte Cedro.

Tree Giveaway 2022
For the third year in a row, forty trees were given away to Altadenans eager to beautify their properties,

Owen Brown Plaque Unveiling
A magnificent plaque was unveiled honoring Owen Brown

Our Urban Ecosystem
by Mark Goldschmidt – Our mountain backdrop has changed little, but 150 years ago paleo-Altadena was virtually barren of trees, only seasonal grasses, chaparral and poppies covered the gravelly outwash. Then wells were dug and water was channeled from