Castle Mountains National Monument 2701 Barstow Road Barstow, CA 92311 You can approach Castle Mountains from Walking Box Ranch Road off of Nevada State Rd 164 (Nipton Road) or from several unnamed dirt roads off of Lanfair Road in Mojave National Preserve. Weather at Castle Mountains changes with the seasons. Freezing temperatures are expected in winter, with occasional snow. Spring brings mild warm days and cooler nights. With enough rain, wildflowers can carpet the area, making for spectacular displays. Summer months are much hotter, with temperatures nearing 100 degrees Fahrenheit. Strong monsoonal storms in late summer may cause flash-flooding in low-lying areas and can create hazardous road conditions. Fall is a cooler respite after the heat of summer. Entrance Fee-free This site is fee-free year-round. No entrance fee or pass is required. Public WiFi is not available.
There is no public wifi access for our park. Cellular service is often available, but can be spotty. Welcome to Castle Mountains National Monument! Here you can find information on: Operating Hours & Seasons
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Last updated: March 3, 2016