Parks 1,427 ft Bortle 2 Solitude: 70/100 (secluded)

The Chemehuevi Mountains Wilderness now contains a total of 85,840 acres and is managed by the Bureau of Land Management. All of the Wilderness is in the state of California. In 1994 the Chemehuevi Mountains Wilderness became part of the now over 109 million acre National Wilderness Preservation System. In wilderness, you can enjoy challenging recreational activities and extraordinary opportunities for solitude. In an age of "...increasing population, accompanied by expanding settlement and growing mechanization,..." you play an important role in helping to "...secure for the American people of present and future generations the benefits of an enduring resource of wilderness" as called for by Congress in the Wilderness Act of 1964 . Please follow the regulations in place for this area, and use Leave No Trace techniques when visiting to ensure protection of its unique natural and experiential qualities. How to follow the seven standard Leave No Trace principles differs in different parts of the country (desert vs. Rocky Mountains). Click on any of the principles listed below to learn more about how they apply. Leave No Trace principles: Plan Ahead and Prepare Travel and Camp on Durable Surfaces Dispose of Waste Properly Leave What You Find Minimize Campfire Impacts Respect Wildlife Be Considerate of Other Visitors Regulations: Motorized equipment and equipment used for mechanical transport are generally prohibited on all federal lands designated as wilderness. This includes the use of motor vehicles (including OHVs), motorboats, motorized equipment, bicycles, hang gliders, wagons, carts, portage wheels, and the landing of aircraft including helicopters, unless provided for in specific legislation. In a few areas some exceptions allowing the use of motorized equipment or mechanical transport are described in the special regulations in effect for a specific area. Contact the agency for more information about regulations.

Near Topock, AZ in Arizona

What to Pack for Chemehuevi Mountains Wilderness, San Bernardino

A well-packed bag handles most of what this area can throw at you.

Between the Urban terrain and venomous snakes, your pack for Chemehuevi Mountains Wilderness needs a few specific items.

Essential

Water (minimum 2L) — Water sources marked on maps may be seasonal or dry; carrying enough to complete your route prevents a dangerous shortfall.
Navigation (map/GPS/compass) — Getting lost is the leading cause of backcountry search-and-rescue calls; reliable navigation prevents the situation entirely.
Sun protection (sunglasses, sunscreen) — Prolonged sun exposure causes headaches, fatigue, and heat exhaustion that can cut a trip short or create a medical emergency.
First aid kit — Remote locations mean longer response times for help; a first aid kit bridges the gap between injury and professional care.
Extra food — High-energy snacks weigh little but provide crucial fuel if you need to bushwhack out or wait for conditions to improve.
Headlamp with extra batteries — Hands-free light is essential for navigating uneven terrain, setting up camp, or signaling for help at night.
Fire starter — Waterproof matches or a ferro rod weigh almost nothing and can be the difference between a cold night and a survivable one.
Emergency shelter (space blanket) — Wind and rain strip heat faster than most people realize; a compact emergency shelter blocks both.
Knife or multi-tool — A multi-tool handles problems you can't predict: jammed zippers, tangled line, first-aid tape cutting, or gear fixes on the trail.
Extra clothing layer — A lightweight fleece or puffy stuffs small but provides critical insulation if temperatures drop unexpectedly.

Wildlife Gear

Hiking buddy (avoid solo) — A companion can help with first aid, signaling, and decision-making if a wildlife encounter turns serious.
Noise maker — Group noise is especially important in dense brush or near berry patches where bears may be feeding and less alert.
Gaiters — Thick gaiters deflect fangs before they reach skin, buying critical time in areas with rattlesnakes or copperheads.
First-aid snakebite kit — Knowing how to immobilize a limb, mark swelling progression, and avoid harmful folk remedies can improve outcomes.

Climate Gear

Extra water (1L/hr) — Heat exhaustion progresses to heat stroke rapidly once fluid reserves drop; consistent intake keeps your cooling system functional.
Electrolytes — Drinking large amounts of plain water without electrolytes can actually dilute blood sodium to dangerous levels during intense exertion.
Cooling towel — Evaporative cooling towels stay cold for hours when wet and can lower perceived temperature by several degrees.
Layering system (wide temp swings) — A base layer, insulating mid-layer, and wind shell cover the full range of temperatures you might encounter in a single day.

Seasonal Gear

Spring: Camera, Wildflower field guide
Fall: Camera, Binoculars (foliage viewing)

Activities & Best Time to Visit Chemehuevi Mountains Wilderness, San Bernardino

The Urban terrain here lends itself to a range of outdoor activities throughout the year.

May, Jun, Jul, Aug, Sep is the prime window for visiting Chemehuevi Mountains Wilderness, when conditions favor atv and the weather cooperates.

With a photography score of 65/100, Chemehuevi Mountains Wilderness offers Exceptional dark sky (Bortle 1-2) and 3 excellent meteor showers worth capturing.

Activities

atv — ATV riding covers varied terrain from sand to forest paths.
backpacking — Backpacking combines endurance, planning, and remote wilderness camping.
hiking — Hiking ranges from gentle nature walks to challenging summit climbs.
mountain_biking — Mountain biking combines speed, balance, and changing landscapes.
off_roading — Off-roading explores remote landscapes beyond paved roads.
photography — Golden hour and dramatic weather can transform ordinary scenes into striking images.
picnicking — Picnicking turns a scenic overlook or shady grove into a memorable gathering spot.
rv_camping — RV camping blends outdoor living with modern amenities.
surfing — Surfing blends balance, timing, and ocean awareness.
walking — Walking lets you slow down and notice details — wildflowers, birdsong, shifting light through trees.
wildlife_viewing — Early mornings and dusk offer the best chances to quietly spot native wildlife.

Best months: May, Jun, Jul, Aug, Sep

Terrain: Urban — This environment includes paved paths, landscaped areas, and pockets of remnant vegetation.

Wildlife Safety at Chemehuevi Mountains Wilderness, San Bernardino

A few species in this area warrant awareness — here's what to keep in mind.

Chemehuevi Mountains Wilderness carries a danger score of 30/10, driven primarily by venomous snakes.

Danger rating: 30/100 (based on terrain difficulty, wildlife presence, weather exposure, and remoteness) moderate

Mountain lions
Venomous snakes
Remote (114mi from city)

UV risk: high (Southern latitude (35N))

Photo score: 65/100

Exceptional dark sky (Bortle 1-2)
3 excellent meteor showers
Fall foliage
Spring wildflowers

Venomous Snakes

Watch your step — are present in the Urban habitat around Chemehuevi Mountains Wilderness.

Watch where you step and place hands
Stay on trails
Wear boots and long pants in snake country
Do not reach under rocks or logs
If bitten: stay calm, immobilize limb, seek medical help immediately
Do NOT: cut wound, suck venom, apply tourniquet, ice, or alcohol

Nature & Wildlife at Chemehuevi Mountains Wilderness, San Bernardino

The Urban terrain here supports a rich ecosystem worth noticing as you explore.

Biodiversity at Chemehuevi Mountains Wilderness is shaped by the Urban terrain and Mediterranean climate, producing distinct plant and animal communities.

Trees (1)

Smoketree — Fall foliage may turn yellow.

Wildflowers (1)

Mojave Woodyaster — Woody base with narrow gray-green leaves.

Shrubs (3)

Creosote Bush — An evergreen desert shrub with small resinous leaves divided into paired leaflets.
Eastern Joshua tree — The plant provides habitat for desert wildlife.
Engelmann's Hedgehog Cactus — Adapted to desert heat, this cactus stores water in thick stems and tolerates prolonged drought.

Other Plants (5)

Mojave Yucca
Cottontop Cactus
Buckhorn Cholla
Branched Pencil Cholla
California Barrel Cactus

Mammals (2)

Bighorn Sheep — Rams carry massive curled horns.
White-tailed Antelope Squirrel — White underside and underside of tail.

Birds (6)

Great-tailed Grackle — Brown female
Eurasian Collared-Dove — Black half-collar on nape
American Kestrel — Blue-gray wings in male
Common Raven — Broad wings with fingered primaries
European Starling — Spotted winter plumage with pale speckles

Reptiles (10)

Mojave Desert Tortoise — Front limbs are heavily scaled for digging.
Common Side-blotched Lizard — Distinct dark blotch behind the front legs on each side.
Long-nosed Leopard Lizard — Color ranges from tan to brown with a pale underside.
Western Patch-nosed Snake — Tan with darker blotches or stripes.
Common Chuckwalla — Tail thick and body robust.

Insects (7)

White-lined Sphinx
Black Swallowtail
Sagebrush Checkerspot
Armored Stink Beetle
Creosote Cone Gall Midge

Fungi (1)

Desert Shaggymane

Other Wildlife (2)

Desert Tarantula
Desert Hairy Scorpion

Nature Bingo at Chemehuevi Mountains Wilderness, San Bernardino

Can you spot them all? Check off each species as you find it on your visit.

Wildlife Challenge

Red-tailed Hawk (bird)
Bighorn Sheep (mammal)
Mojave Desert Tortoise (reptile)
Creosote Bush (plant)

Botany Challenge

Achnatherum Pinetorum
Aquilegia Coerulea Var. Pinetorum
Arabis Holboellii Var. Pinetorum
Asclepias Engelmanniana
Echinocereus Engelmannii
Almutaster

Chemehuevi Mountains Wilderness, San Bernardino Climate & Sun

Use this climate breakdown to plan around the weather.

Temperature and precipitation data for Chemehuevi Mountains Wilderness help narrow down the ideal visit window.

Climate type: Mediterranean

Annual avg temp: 71.4°F

Annual precipitation: 6.3 in

With an average annual temperature of 71.4°F and 6.3 inches of precipitation, Chemehuevi Mountains Wilderness has hot, arid conditions. Summer highs average around 93°F, while winter lows drop to 53°F.

Best months to visit: Jan, Feb, Mar, Apr, Oct, Nov, Dec. Consider avoiding: Jul, Aug.

Winter 53°

1.1"

Spring 68°

0.2"

Summer 93°

0.3"

Fall 73°

0.5"

Month	Avg Temp	Precip
Jan	53°F	1.1 in
Feb	56°F	1.2 in
Mar	62°F	0.8 in
Apr	68°F	0.2 in
May	77°F	0.1 in
Jun	87°F	0.0 in
Jul	93°F	0.3 in
Aug	92°F	0.5 in
Sep	85°F	0.4 in
Oct	73°F	0.5 in
Nov	60°F	0.4 in
Dec	52°F	0.8 in

Daylight & Sun Times

Daylight ranges from 9.9 hours in winter to 14.5 hours in summer — a difference of 4.6 hours.

Summer: 4:24 AM – 6:51 PM

Winter: 6:37 AM – 4:28 PM

Winter Solstice: Sunrise 6:37 AM, Sunset 4:28 PM Golden hour from 3:50 PM

Summer Solstice: Sunrise 4:24 AM, Sunset 6:51 PM Golden hour from 6:14 PM

Spring Equinox: Sunrise 5:50 AM, Sunset 5:45 PM Golden hour from 5:11 PM

Fall Equinox: Sunrise 5:20 AM, Sunset 5:46 PM Golden hour from 5:13 PM

Chemehuevi Mountains Wilderness, San Bernardino Trip Planning & Access

With the lay of the land covered, here are the trip planning details.

At 114 miles from Las Vegas, Chemehuevi Mountains Wilderness is a short road trip for most visitors.

Nearest city: Las Vegas (114 mi)

Estimated fuel cost: $28.48 (28 mpg, $3.5/gallon)

Carbon footprint: 92.1 kg CO2 (round trip by car)

Visitor Friendliness

Visitor friendliness: families (excellent), dogs (likely_allowed), elderly (highly_suitable).

Dogs: likely_allowed — No restrictions found
Families: excellent
Elderly: highly_suitable
Strollers: excellent (100/100)
Beginners: Perfect for beginners (Moderate difficulty (+5), Good information available (+5))
Accessibility: Generally accessible to most visitors (90/100)

Places Near Chemehuevi Mountains Wilderness, San Bernardino

Nearby trails, campgrounds, and attractions expand what you can do on this trip.

Don't limit your trip to just Chemehuevi Mountains Wilderness — the surrounding area has 9 more places to discover.

Nearby Campgrounds

Craggy Wash Dispersed Camping Area, Mohave 10.38 mi
Bluebird 1 Shoreline Campsite, Mohave 16.55 mi
Wren Cove 3 Shoreline Campsite, Mohave 16.74 mi
Mallard Cove 5 Shoreline Campsite, Mohave 16.95 mi

Stargazing & Night Sky at Chemehuevi Mountains Wilderness, San Bernardino

Don't pack up when the sun goes down — the night sky here has plenty to offer.

Night falls differently here — the Bortle 2 rating means Typical truly dark site visibility for stars, planets, and meteor showers.

Bortle 2 Typical truly dark site

Constellations

Look for Ursa Minor, Cepheus — all visible from this location depending on the season.

Ursa Minor — This compact constellation contains Polaris at the end of its handle, a reliable guide to true north.
Cepheus — Named for a mythological king, this constellation sits beside Cassiopeia and is circumpolar in northern latitudes.

Meteor Showers

For meteor viewing, the Geminids (December 13-14) offers the best show at this location.

Geminids — peaks December 13-14 (excellent)
Cold December air often means clear skies—look overhead after midnight for bright, slow-moving meteors.
Quadrantids — peaks January 3-4 (excellent)
Bundle up—January nights are frigid, but dark skies can produce bright fireballs.
Perseids — peaks August 11-13 (excellent)
Peak activity typically builds after midnight when Perseus climbs higher.
Eta Aquariids — peaks May 5-6 (good)
Southern U.S. observers often get better rates due to the radiant's position.
Delta Aquariids — peaks July 28-29 (fair)
This steady shower rewards patient observers in dark, moonless conditions.

Planets

Planets visible to the naked eye from this location:

Venus — The brightest planet, often called the Morning or Evening Star
Jupiter — The largest planet, bright and steady in the night sky
Saturn — Famous for its rings, visible as a golden steady light
Mars — The Red Planet, recognizable by its reddish-orange hue

Equipment Guide

Naked eye: Venus, Jupiter, Saturn, Mars, Mercury (with care)
Binoculars: Jupiter moons, Uranus, Saturn rings (barely)
Small telescope: Saturn rings, Jupiter bands, Mars surface features, Neptune

Viewing Tips

Check planets rise/set times for your specific date
Planets appear along the ecliptic (zodiac path)
Planets don't twinkle like stars - steady light
Venus and Jupiter are unmistakable - brightest objects after Moon
Use a stargazing app to confirm planet positions
Best viewing: when planet is highest in sky (transit)

Best Viewing Months

Evening: Oct, Nov, Dec, Jan, Feb
Morning: Jul, Aug, Sep

Seasonal Highlights at Chemehuevi Mountains Wilderness, San Bernardino

Different seasons reveal different sides of Chemehuevi Mountains Wilderness.

Nature at Chemehuevi Mountains Wilderness follows a seasonal calendar — here's when to come for what you want to see.

Spring Wildflowers

Peak bloom: March - April

Check local park websites for bloom reports

Fall Foliage

Peak color: October 15 – November 5

Best trees for color: Maple, Oak, Aspen

Higher elevations peak 1-2 weeks earlier

Bird Migration

Spring peak: March - April

Fall peak: October - November

Best spots: Wetlands, coastlines, mountain ridges

Indigenous Land at Chemehuevi Mountains Wilderness, San Bernardino

This landscape holds cultural significance that extends far beyond recreation.

The cultural landscape of Chemehuevi Mountains Wilderness reflects the long presence of Nüwüwü (Chemehuevi), Nuwuvi (Southern Paiute) on this land.

Territories

Languages

1 Indigenous languages are associated with the peoples of this area: Nüwü Ampagap (Chemehuevi).

Nüwü Ampagap (Chemehuevi)

Data from Native Land Digital

Chemehuevi Mountains Wilderness, San Bernardino Geology & Natural History

Beyond the trails and wildlife, Chemehuevi Mountains Wilderness sits within a landscape shaped by millions of years of geological processes. Here's what researchers and surveys have documented about this area.

Bedrock Geology

Rock Type: Tertiary volcanic flow rocks, unit 16 (Northern Mojave Desert)
Formation: Alvord Peak Basalt; Artist Drive Formation; Barstow Formation; Funeral Fanglomerate; Gem Hill Formation; Greenwater Volcanics; Red Buttes Quartz Basalt; Ricardo Formation; Saddleback Basalt; Tropico Group
Lithology: Major:{rhyolite,basalt}, Minor:{dacite}, Incidental:{trachyte, andesite, basaltic andesite}
Age: Neogene

Fossils

Fossil Occurrences: 1
Unique Species: 1
Oldest: 129,000 years ago

Mineral Deposits

Deposit Sites: 175
Richness: Exceptional
Minerals Found: Gold, Copper, Silver, Manganese, Sand and Gravel, Construction, Barium-Barite, Iron

Endangered Species

Species at Risk: 6148
ESA Endangered: 169
ESA Threatened: 77
Conservation Score: 100/100

Temperature Records

Record High: 128°F (1994-06-29)
Record Low: 25°F (1990-12-24)

Wildfire History

This area has a high wildfire risk. Check current fire conditions before visiting and follow all fire restrictions. Campfires may be banned during dry seasons.

Recorded Fires: 3
Largest Fire: Beach (53.9 acres)
Most Recent: 2020
Fire Risk: High

Watershed

Watershed: Chesapeake Wash-Colorado River
Water Quality (Good): 0%
Impaired: 10.816%

Reported Phenomena

UFO Sightings: 59 (NUFORC)
Eeriness Score: 20/100

Chemehuevi Mountains Wilderness, San Bernardino Safety & Conditions

For up-to-the-minute safety information, use these official resources.

Don't rely on forecasts alone — check these live sources for the latest conditions near Chemehuevi Mountains Wilderness.

Flood zone: Not in a flood zone

Nearest weather station: LAKE HAVASU CITY, AZ US (11.9 mi)