Hahamongna is the rare spot in the Arroyo Seco at the foot of the San Gabriel Mountains where the mountainous watershed meets the urban plain. Periodically floods roar into this basin. Bounded on the north by the mountains and Jet Propulsion Laboratory and on the south by Devil's Gate Dam, Hahamongna contains five unique habitat zones that only exist in alluvial canyons near the mountains. Most sites like this in Southern California have been destroyed.
Don't let Hahamongna go the way of other lost environmental treasures in Southern California.
The original settlers of the region were sometimes called the Hahamongna Indians. The word means "Flowing Waters, Fruitful Valley" in the native Tongva language.
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Hahamongna Walkabout is the annual exploration and celebration of the rare nature of Hahamongna, our region's most precious environmental zone. This year the official tshirt featured the theme "Go With the Flow" against the beautiful depiction of Hahamongna designed by Arturo Gonzalez. It's a bright, colorful tribute to the rich habitat and water resources of Hahamongna.
It's a great gift for friends and family.
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Shaped like a Stop Sign, the Save Hahamongna logo is a simple and direct message to any who would degrade the natural character of our region's most precious environmental treasure. The design contains images of the endangered Least Bell's Vireo bird recently spotted
in Hahamongna plus the habitat and hillsides of the Arroyo Seco and the San Gabriel Mountains. It's a brilliant design by Erik Molano.
Your purchase helps the cause.