Qualla: Cadiz Dunes Wilderness

Cadiz Dunes Wilderness: Introduction

Wed, 01 Apr 2026 00:00:00 GMT

Photo credit blmcalifornia, Public domain. The Cadiz Dunes exist because a dry lake keeps losing its surface. The Cadiz dry lake — playa — sits in the Cadiz Valley between the Calumet Mountains and the Old Woman Mountains, and the prevailing winds pick up the fine sediment from its surface and carry it northeast, where it accumulates into dunes. The process has been running long enough to produce dunes worth protecting.

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Image: blmcalifornia | Public domain

Cadiz Dunes Wilderness: A Wilderness Established

Wed, 01 Apr 2026 00:00:00 GMT

Photo credit blmcalifornia, Public domain. Congress established the Cadiz Dunes Wilderness in 1994, designating the area for management by the Bureau of Land Management under wilderness protection. The designation removed the area from consideration for development or mechanized use, preserving the dune system and the sur...

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Image: blmcalifornia | Public domain

Cadiz Dunes Wilderness: How the Dunes Form

Wed, 01 Apr 2026 00:00:00 GMT

Photo credit blmcalifornia, Public domain. The Cadiz Valley occupies a closed basin between mountain ranges — a typical Mojave geography where drainage has no outlet to the sea. Water that flows into the valley from surrounding slopes eventually evaporates or sinks into the alluvium, leaving behind the mineral residues th...

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Image: blmcalifornia | Public domain

Cadiz Dunes Wilderness: What Grows on Sand

Wed, 01 Apr 2026 00:00:00 GMT

Photo credit blmcalifornia, Public domain. The Borrego milkvetch — a flowering plant in the pea family — establishes on the dune margins and in the sandy flats associated with the dune system. The plant's blooms appear in spring, when adequate winter rainfall has primed the desert. Wildflower years in the Mojave depend on...

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Image: blmcalifornia | Public domain