Castle Mountains National Monument
California
Free entry
Castle Mountains represents some of the most unique elements of the Mojave Desert. Nestled between the Nevada state line and Mojave National Preserve, the nearly 21,000 acres of Castle Mountains boasts Joshua tree forests, unbroken natural landscapes, rare desert grasslands, and rich human history. This intriguing area provides serenity and solitude from nearby metropolitan areas.
Topics
No entrance fee.
Hours
Castle Mountains National Monument is open year-round. There are no facilities in the Monument. Visitor Centers in neighboring Mojave National Preserve provide information and orientation.
Conditions
Weather now: ☀️ Clear, 77°F
☀️ 89°/67°
🌦️ 92°/70°
🌦️ 93°/74°
Not an official safety source — always defer to NPS.gov and rangers for life-safety decisions.
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