About Castle Mountains National Monument
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.
Plan a Visit
Core visitor information on this page is sourced from the National Park Service. NPD proximity sections use NPS reference coordinates and straight-line distance. Local source bundle updated Sep 27, 2026. View the official NPS page.
Weather & Conditions
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…
NPS Reference Location
Park state / territory membership: California. This map uses the National Park Service reference coordinate. It may represent an administrative or reference point rather than a park entrance, trailhead, visitor center, or the nearest access point. Use the official NPS directions below when planning travel.
Operating 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.
Activities
Current Alerts
Fire restrictions are in place at Mojave National Preserve and Castle Mountains National Monument. Wood and charcoal fires are not permitted. Most camp stoves are. See fire restriction order for additional details.
Hunting is illegal in Castle Mountains National Monument
Breaking down in the remote monument can be a life-threatening emergency. Most roads require a well-equipped, heavy-duty 4WD vehicle to travel. 2WD high clearance vehicles must use Walking Box Ranch Rd for entry and exit. No Visitor Facilities Available.
Getting There
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.
View Official DirectionsContact & Address
The NPS-listed address may be an administrative office, visitor center, mailing/contact location, or other park facility rather than a park entrance.
Topics & Themes
Nearby National Park Service Sites
These sites are ordered by straight-line distance between NPS reference coordinates. This is useful for comparison, but it is not road mileage. Trails, parkways, rivers, and distributed units may extend far from their reference point.
Nearby Cities for Trip Planning
These cities are ordered by straight-line distance from the NPS reference coordinate. They are comparison starting points, not official park gateways or road-distance estimates. Trails and other distributed units may extend far beyond this reference point.
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