Cajon Pass

CajonCajon SummitCajon JunctionMormon RocksCahoon PassCajon Junction, CaliforniaSan Bernardino Cajon PassSullivan's Curve
Cajon Pass (elevation 3,777 ft ) is a mountain pass between the San Bernardino Mountains and the San Gabriel Mountains in Southern California.wikipedia
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San Bernardino Mountains

San BernardinoGreen Valley Lakemountains
Cajon Pass (elevation 3,777 ft ) is a mountain pass between the San Bernardino Mountains and the San Gabriel Mountains in Southern California.
The San Bernardinos run for approximately 60 mi from Cajon Pass in the northwest – which separates them from the San Gabriel Mountains – to San Gorgonio Pass, across which lie the San Jacinto Mountains, in the southeast.

San Gabriel Mountains

San GabrielSan Gabrielsmountains
Cajon Pass (elevation 3,777 ft ) is a mountain pass between the San Bernardino Mountains and the San Gabriel Mountains in Southern California.
The highest elevation, Mount San Antonio (Mount Baldy) at 10064 ft, rises towards the eastern extremity of the range which extends from the Cajon Pass (Interstate 15 Freeway) on the east, where the San Gabriel Mountain Range meets the San Bernardino Mountain Range, westward to meet the Santa Susanna range at Newhall Pass (Interstate 5 Freeway).

Victor Valley

Victor Valley, CaliforniaVictorVictor Valley Memorial Park
Located in the Mojave Desert, the pass is an important link from the Greater San Bernardino Area to the Victor Valley, and northeast to Las Vegas.
It is located east of the Mojave's Antelope Valley, north of Cajon Pass, San Bernardino Valley, northeast of the San Gabriel Mountains, and northwest of the San Bernardino Mountains, and south of the Barstow area.

Mojave Desert

Mojavedesert14 Mojave Basin and Range
Located in the Mojave Desert, the pass is an important link from the Greater San Bernardino Area to the Victor Valley, and northeast to Las Vegas.
Across the region windy days are common; and also common in areas near the transition between the Mojave and the California low valleys, including near Cajon Pass, Soledad Canyon and the Tehachapi areas.

Southern California

southernSoCalCalifornia
Cajon Pass (elevation 3,777 ft ) is a mountain pass between the San Bernardino Mountains and the San Gabriel Mountains in Southern California.

San Bernardino Valley

Greater San Bernardino Arearegionvalley
Located in the Mojave Desert, the pass is an important link from the Greater San Bernardino Area to the Victor Valley, and northeast to Las Vegas.
From 1829, the Old Spanish Trail from New Mexico to Alta California was established and entered the valley from through Crowder Canyon and the lower canyon of Cajon Pass.

California State Route 138

State Route 138SR 138Pearblossom Highway
Cajon Pass is at the head of Horsethief Canyon, traversed by California State Route 138 (SR 138) and railroad tracks owned by BNSF Railway and Union Pacific Railroad. On July 17, 2015, during severe drought conditions plaguing the whole state and creating extreme fire hazards, a fast, wind-whipped wildfire swept over Interstate 15 between California State Route 138 and the Oak Hill Road exits, sending drivers running for safety and setting 20 vehicles ablaze, officials said.
The scenic highway begins in the west at its junction with Interstate 5 located south of Gorman in the Sierra Pelona Mountains, continues eastward through the Antelope Valley and Cajon Pass, to its junction with State Route 18 in the east, located in the San Bernardino Mountains south of Crestline.

San Andreas Fault

San AndreasSan Andreas Fault ZoneSan Andreas Rift
It was created by the movements of the San Andreas Fault.
The fault then runs along the southern base of the San Bernardino Mountains, crosses through the Cajon Pass and continues northwest along the northern base of the San Gabriel Mountains.

BNSF Railway

BNSFBurlington Northern and Santa Fe RailwayBurlington Northern Santa Fe Railway
Cajon Pass is at the head of Horsethief Canyon, traversed by California State Route 138 (SR 138) and railroad tracks owned by BNSF Railway and Union Pacific Railroad.
Its route, the Southern Transcon, has been almost completely double-tracked, and triple-tracking has begun in areas such as Cajon Pass.

Rialto, California

RialtoRialto, CACalifornia (Rialto)
On a normal day, with the wind out of the west, turbulence usually starts a few miles west of Rialto and continues a few miles to the east, growing in strength above the altitude of the mountains and especially over the pass near the HITOP intersection.
The seasonal Santa Ana winds are felt particularly strongly in not only Rialto but the greater San Bernardino area as warm and dry air is channeled through nearby Cajon Pass at times during the autumn months.

Santa Ana winds

Santa Ana windSanta AnaSanta Anas
The weather over the pass can vary from foggy days with poor visibility to clear afternoons where aircraft are bounced by gusting Santa Ana winds that top 80 mph.
These passes include the Soledad Pass, the Cajon Pass, and the San Gorgonio Pass, all well known for exaggerating Santa Anas as they are funneled through.

2006 Mercy Air Bell 412 crash

2006 Mercy Air helicopter accidentcrashes2006 Mercy Air 2 accident
In the 2006 Mercy Air 2 accident, an air ambulance helicopter collided with mountainous terrain near the pass in foggy weather.
The 2006 Mercy Air helicopter accident occurred on December 10, 2006, about 1755 Pacific Standard Time, when a Bell 412SP helicopter, call sign "Mercy Air 2," impacted mountainous terrain near Hesperia, California and the Cajon Pass.

San Gorgonio Pass

Banning PassSan GorgonioSan Gorgonio '''Pas
In Santa Ana conditions, up- and downdrafts can become violent northeast of Ontario Airport, and turbulence can be experienced east to the Banning Pass, well known for turbulence.
Like Cajon Pass to the northwest, it was created by the San Andreas Fault, with the valleys leading up to the pass aligned with the fault.

California Southern Railroad

California SouthernCalifornia Southern Railroad CompanyCS
The California Southern Railroad, a subsidiary of the Atchison, Topeka and Santa Fe Railway, was the first railroad to use the Cajon Pass.
Following a frog war where the SP refused to let the California Southern cross its tracks, a dispute that was resolved by court order in favor of the California Southern, construction continued northward through Cajon Pass to the present day cities of Victorville and Barstow.

U.S. Route 66

Route 66US 66U.S. Highway 66
The original BNSF (ATSF) line was constructed in the 1880s and later roads, U.S. Route 66 and I-15, roughly followed this route.
Parts of the original Route 66 from 1913, prior to its official naming and commissioning, can still be seen north of the Cajon Pass.

Blue Cut Fire

Blue Cut
The following year the Blue Cut Fire again forced the closure of the freeway for several days starting on August 16, 2016.
The Blue Cut Fire was a wildfire in the Cajon Pass, northeastern San Gabriel Mountains, and Mojave Desert in San Bernardino County, California.

San Bernardino train disaster

a train derailmentcrashes on Duffy Streetderailed
On May 12, 1989, at 7:36 a.m. a 6-locomotive/69-car Southern Pacific freight train (SP 7551 East, computer symbol 1 MJLBP-11) that was transporting trona, lost control while descending Cajon Pass, derailed on an elevated curve and plowed into a residential area on Duffy Street.

Amasa Lyman

Amasa M. LymanAmasa Mason Lyman
In 1851 a group of Mormon settlers led by Amasa M. Lyman and Charles C. Rich traveled through Cajon Pass in covered wagons on their way from Salt Lake City to southern California.
After traversing the Cajon Pass, the group purchased Rancho San Bernardino from the Lugo family, and built Fort San Bernardino.

Summit Inn

The historic Summit Inn, off the Oak Hills exit at the summit of the pass, was a historic Route 66 diner and was in the same location from 1952 to 2016, when it was destroyed by the Blue Cut fire.
The Summit Inn was a historic U.S. Route 66 roadside diner built in 1952, located at the summit of Cajon Pass in San Bernardino County, California.

Horsethief Canyon

Horsethief
Cajon Pass is at the head of Horsethief Canyon, traversed by California State Route 138 (SR 138) and railroad tracks owned by BNSF Railway and Union Pacific Railroad.
Its head lies at 34.32583°N, -117.42722°W at an elevation of 3,800 feet just east of the summit of Cajon Pass.

Los Angeles and Salt Lake Railroad

San Pedro, Los Angeles and Salt Lake RailroadSan Pedro, Los Angeles & Salt Lake RailroadSalt Lake Railroad
The railroads share track rights through the pass ever since the Union Pacific gained track rights on the Santa Fe portion negotiated under the original Los Angeles and Salt Lake Railroad.
In California, Clark negotiated a trackage rights agreement from Daggett to Riverside, California, allowing his new line to use the existing Atchison, Topeka and Santa Fe Railway route over Cajon Pass, in lieu of constructing its own tracks across the pass.

Pacific Crest Trail

Pacific Crest National Scenic TrailPCTPacific Crest
The Pacific Crest Trail goes directly through Cajon Pass, and during the hiking season up to several hundred transient hikers will pass through this area after walking one of the hottest, driest, and most grueling sections of desert on the trail.

Santa Fe And Salt Lake Trail Monument

Stoddard-Waite Monument
Santa Fe And Salt Lake Trail Monument marks the place two Historic trail merged in Cajon Pass in San Bernardino County, California.

North Fire

Northa fast, wind-whipped wildfireCajon Pass wildfire
On July 17, 2015, during severe drought conditions plaguing the whole state and creating extreme fire hazards, a fast, wind-whipped wildfire swept over Interstate 15 between California State Route 138 and the Oak Hill Road exits, sending drivers running for safety and setting 20 vehicles ablaze, officials said.
The areas most impacted were adjacent to Interstate 15, where the Cajon Pass passes through the San Bernardino National Forest.

Henry Wade Exit Route

After departing Death Valley Wade found the Old Spanish Trail and came to Southern California though the Cajon Pass.